diff --git a/src/ks-avi b/src/ks-avi
index cc0c8d0..1ff3112 100755
--- a/src/ks-avi
+++ b/src/ks-avi
@@ -2,12 +2,12 @@
 
 ###############################################################
 # ks-avi (ks-tools) - Convert video to AVI format             #
-# Date: 10-02-2023                                            #
+# Date: 13-02-2023                                            #
 # Author: q3aql                                               #
 # Contact: q3aql@duck.com                                     #
 ###############################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -107,13 +107,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-avi (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-crop b/src/ks-crop
index 42c68e9..b835463 100755
--- a/src/ks-crop
+++ b/src/ks-crop
@@ -2,12 +2,12 @@
 
 ###############################################################
 # ks-crop (ks-tools) - Crop or change aspect ratio of a video #
-# Date: 10-02-2023                                            #
+# Date: 13-02-2023                                            #
 # Author: q3aql                                               #
 # Contact: q3aql@duck.com                                     #
 ###############################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -54,13 +54,34 @@ if [ -f "/usr/bin/cygwin-alias.sh" ] ; then
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-crop (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mix b/src/ks-mix
index 2b70fab..75453f1 100755
--- a/src/ks-mix
+++ b/src/ks-mix
@@ -2,12 +2,12 @@
 
 #####################################################################
 # ks-mix (ks-tools) - Extract video/audio and mix video/audio files #
-# Date: 10-02-2023                                                  #
+# Date: 13-02-2023                                                  #
 # Author: q3aql                                                     #
 # Contact: q3aql@duck.com                                           #
 #####################################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -43,13 +43,34 @@ if [ -f "/usr/bin/cygwin-alias.sh" ] ; then
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed cut head tail tr"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mix (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp3 b/src/ks-mp3
index 31b8659..6803067 100755
--- a/src/ks-mp3
+++ b/src/ks-mp3
@@ -2,12 +2,12 @@
 
 #########################################################################
 # ks-mp3 (ks-tools) - Convert video/audio file(s) to MP3 (Audio) Format #
-# Date: 04-02-2022                                                      #
+# Date: 13-02-2023                                                      #
 # Author: q3aql                                                         #
 # Contact: q3aql@duck.com                                               #
 #########################################################################
 VERSION="8.4-dev"
-M_DATE="040222"
+M_DATE="130223"
 
 # Global parameters
 dirTemp="/tmp"
@@ -59,13 +59,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mp3 (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp3-album b/src/ks-mp3-album
index fca9b29..4f4f536 100755
--- a/src/ks-mp3-album
+++ b/src/ks-mp3-album
@@ -66,13 +66,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep find grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mp3-album (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp4 b/src/ks-mp4
index 4253bc3..12dfe55 100755
--- a/src/ks-mp4
+++ b/src/ks-mp4
@@ -2,12 +2,12 @@
 
 ###############################################################
 # ks-mp4 (ks-tools) - Convert video to MP4 format             #
-# Date: 10-02-2023                                            #
+# Date: 13-02-2023                                            #
 # Author: q3aql                                               #
 # Contact: q3aql@duck.com                                     #
 ###############################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -107,13 +107,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mp4 (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp4k b/src/ks-mp4k
index 31d23fe..da11607 100755
--- a/src/ks-mp4k
+++ b/src/ks-mp4k
@@ -2,12 +2,12 @@
 
 ###############################################################
 # ks-mp4k (ks-tools) - Convert video to MP4 format (4K)       #
-# Date: 10-02-2023                                            #
+# Date: 13-02-2023                                            #
 # Author: q3aql                                               #
 # Contact: q3aql@duck.com                                     #
 ###############################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -107,13 +107,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mp4k (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp4s b/src/ks-mp4s
index 0ce6d7e..6bc7fc2 100755
--- a/src/ks-mp4s
+++ b/src/ks-mp4s
@@ -2,12 +2,12 @@
 
 ###############################################################
 # ks-mp4s (ks-tools) - Convert video to MP4 format (Series)   #
-# Date: 10-02-2023                                            #
+# Date: 13-02-2023                                            #
 # Author: q3aql                                               #
 # Contact: q3aql@duck.com                                     #
 ###############################################################
 VERSION="8.4-dev"
-M_DATE="100223"
+M_DATE="130223"
 
 # Detect version ffmpeg for old releases
 ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | head -1 | cut -d " " -f 3 | cut -d "." -f 1)
@@ -107,13 +107,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-mp4s (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-mp4s-folder b/src/ks-mp4s-folder
index e71a7f3..b6cd580 100755
--- a/src/ks-mp4s-folder
+++ b/src/ks-mp4s-folder
@@ -20,6 +20,39 @@ if [ -f "/usr/bin/cygwin-alias.sh" ] ; then
   source "/usr/bin/cygwin-alias.sh"
 fi
 
+# Check if ffmpeg is installed
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep find grep cut head tail cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
+  echo ""
+  echo "* ks-mp4s-folder (ks-tools) v${VERSION} (${M_DATE})"
+  echo ""
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
+  echo ""
+  exit
+fi
+
 # Show help when folder is empty
 if [ -z "${1}" ] ; then
   echo ""
diff --git a/src/ks-oga b/src/ks-oga
index 09db472..185ca04 100755
--- a/src/ks-oga
+++ b/src/ks-oga
@@ -2,12 +2,12 @@
 
 #############################################################################
 # ks-oga (ks-tools) - Convert video/audio file(s) to OGA (OGG Audio) Format #
-# Date: 04-02-2022                                                          #
+# Date: 13-02-2023                                                          #
 # Author: q3aql                                                             #
 # Contact: q3aql@duck.com                                                   #
 #############################################################################
 VERSION="8.4-dev"
-M_DATE="040222"
+M_DATE="130223"
 
 # Global parameters
 dirTemp="/tmp"
@@ -59,13 +59,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep sed grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-oga (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-oga-album b/src/ks-oga-album
index 2698c9b..27428e7 100755
--- a/src/ks-oga-album
+++ b/src/ks-oga-album
@@ -66,13 +66,34 @@ else
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep find grep cut head tail tr cat"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-oga-album (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi
diff --git a/src/ks-upa b/src/ks-upa
index f78ca25..75730c6 100755
--- a/src/ks-upa
+++ b/src/ks-upa
@@ -2,12 +2,12 @@
 
 ########################################################################
 # ks-upa (ks-tools) - Upload audio file(s) to server with scp or rsync #
-# Date: 12-02-2023                                                     #
+# Date: 13-02-2023                                                     #
 # Author: q3aql                                                        #
 # Contact: q3aql@duck.com                                              #
 ########################################################################
 VERSION="8.4-dev"
-M_DATE="120223"
+M_DATE="130223"
 
 # Global parameters.
 dirTemp="/tmp"
@@ -659,7 +659,7 @@ function showHelp() {
 # for the execution are installed.
 function checkDependencies() {
   path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
-  dependencies="sshpass expect rsync md5sum scp ssh"
+  dependencies="sshpass expect rsync md5sum scp ssh find grep sed cut head tail cat"
   dependencies_found=""
   dependencies_not_found=""
   for checkPath in ${path_check} ; do
diff --git a/src/ks-upf b/src/ks-upf
index fc83805..d0e476a 100755
--- a/src/ks-upf
+++ b/src/ks-upf
@@ -2,12 +2,12 @@
 
 #########################################################################
 # ks-upf (ks-tools) - Upload common file(s) to server with scp or rsync #
-# Date: 12-02-2023                                                      #
+# Date: 13-02-2023                                                      #
 # Author: q3aql                                                         #
 # Contact: q3aql@duck.com                                               #
 #########################################################################
 VERSION="8.4-dev"
-M_DATE="120223"
+M_DATE="130223"
 
 # Global parameters.
 dirTemp="/tmp"
@@ -686,7 +686,7 @@ function showHelp() {
 # for the execution are installed.
 function checkDependencies() {
   path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
-  dependencies="sshpass expect rsync md5sum scp ssh"
+  dependencies="sshpass expect rsync md5sum scp ssh find grep sed cut head tail cat"
   dependencies_found=""
   dependencies_not_found=""
   for checkPath in ${path_check} ; do
diff --git a/src/ks-upr b/src/ks-upr
index da8669f..a0c07b1 100755
--- a/src/ks-upr
+++ b/src/ks-upr
@@ -2,12 +2,12 @@
 
 ##############################################################################
 # ks-upr (ks-tools) - Upload recursively file(s) to server with scp or rsync #
-# Date: 12-02-2023                                                           #
+# Date: 13-02-2023                                                           #
 # Author: q3aql                                                              #
 # Contact: q3aql@duck.com                                                    #
 ##############################################################################
 VERSION="8.4-dev"
-M_DATE="120223"
+M_DATE="130223"
 
 # Global parameters.
 dirTemp="/tmp"
@@ -563,7 +563,7 @@ function showHelp() {
 # for the execution are installed.
 function checkDependencies() {
   path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
-  dependencies="sshpass expect rsync md5sum scp ssh"
+  dependencies="sshpass expect rsync md5sum scp ssh find grep sed cut head tail cat"
   dependencies_found=""
   dependencies_not_found=""
   for checkPath in ${path_check} ; do
diff --git a/src/ks-upv b/src/ks-upv
index 4ed0c43..77d7367 100755
--- a/src/ks-upv
+++ b/src/ks-upv
@@ -2,12 +2,12 @@
 
 #########################################################################
 # ks-upv (ks-tools) - Upload videos file(s) to server with scp or rsync #
-# Date: 12-02-2023                                                      #
+# Date: 13-02-2023                                                      #
 # Author: q3aql                                                         #
 # Contact: q3aql@duck.com                                               #
 #########################################################################
 VERSION="8.4-dev"
-M_DATE="120223"
+M_DATE="130223"
 
 # Global parameters.
 dirTemp="/tmp"
@@ -659,7 +659,7 @@ function showHelp() {
 # for the execution are installed.
 function checkDependencies() {
   path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
-  dependencies="sshpass expect rsync md5sum scp ssh"
+  dependencies="sshpass expect rsync md5sum scp ssh find grep sed cut head tail cat"
   dependencies_found=""
   dependencies_not_found=""
   for checkPath in ${path_check} ; do
diff --git a/src/ks-vob b/src/ks-vob
index 5a31c84..cfde132 100755
--- a/src/ks-vob
+++ b/src/ks-vob
@@ -25,13 +25,34 @@ if [ -f "/usr/bin/cygwin-alias.sh" ] ; then
 fi
 
 # Check if ffmpeg is installed
-ffmpeg_test=$(ffmpeg --help 2>&1)
-error_ffmpeg=$?
-if [ ${error_ffmpeg} -ne 0 ] ; then
+path_check="/usr/bin /bin /usr/local/bin ${HOME}/.local/bin"
+dependencies="ffmpeg grep grep cut head tail tr"
+dependencies_found=""
+dependencies_not_found=""
+for checkPath in ${path_check} ; do
+  for checkDependencies in ${dependencies} ; do
+    if [ -f ${checkPath}/${checkDependencies} ] ; then
+      dependencies_found="${dependencies_found} ${checkDependencies}"
+    fi
+  done
+done
+for notFound in ${dependencies} ; do
+  check_found_one=$(echo ${dependencies_found} | grep " ${notFound}")
+  check_found_two=$(echo ${dependencies_found} | grep "${notFound} ")
+  if_not_found="${check_found_one}${check_found_two}"
+  if [ -z "${if_not_found}" ] ; then
+    dependencies_not_found="${dependencies_not_found} ${notFound}"
+  fi
+done
+# Show if all tools are installed
+if [ -z "${dependencies_not_found}" ] ; then
+  echo > /dev/null
+else
   echo ""
   echo "* ks-vob (ks-tools) v${VERSION} (${M_DATE})"
   echo ""
-  echo "+ The 'ffmpeg' tool is not installed!"
+  echo "* Some required tools are not installed:${dependencies_not_found}"
+  echo "* The process has been stopped"
   echo ""
   exit
 fi