diff --git a/update_nextcloud.sh b/update_nextcloud.sh
index 641d600..4d16ef3 100755
--- a/update_nextcloud.sh
+++ b/update_nextcloud.sh
@@ -759,17 +759,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-   error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -803,17 +808,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -847,17 +857,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -892,17 +907,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -936,17 +956,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -1004,17 +1029,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."
@@ -1046,17 +1076,22 @@ sudo -u "$HTTP_USER" "$php_binary" "${INSTALL_DIR}/occ" app:install "$_app" > $l
 if [[ $? -eq 0 ]]; then
    echo_ok
 else
-   echo_failed
-	error "$(cat $log_file)"
+   if grep -q -E "${_app}\s+already\s+installed" $log_file ; then
+      echo_skipped
+      warn "$(cat $log_file)"
+   else
+      echo_failed
+      error "$(cat $log_file)"
 
-   echononl "continue anyway [yes/no]: "
-   read OK
-   OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
-   while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
-      echononl "Wrong entry! - repeat [yes/no]: "
+      echononl "continue anyway [yes/no]: "
       read OK
-   done
-   [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+      OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
+      while [[ "$OK" != "yes" ]] && [[  "$OK" != "no" ]] ; do
+         echononl "Wrong entry! - repeat [yes/no]: "
+         read OK
+      done
+      [[ $OK = "yes" ]] || fatal "Interrupted ny user."
+   fi
 fi
 
 echononl "Eanable nextcloud app '$_app'.."