diff --git a/bashbot.sh b/bashbot.sh
index f055022..af83107 100755
--- a/bashbot.sh
+++ b/bashbot.sh
@@ -12,7 +12,7 @@
 # This file is public domain in the USA and all free countries.
 # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
 #
-#### $$VERSION$$ v0.80-pre-1-gb8ae9ec
+#### $$VERSION$$ v0.80-pre-2-g9482bd6
 #
 # Exit Codes:
 # - 0 sucess (hopefully)
@@ -364,8 +364,9 @@ start_bot() {
 	[[ "${DEBUG}" = *"debug" ]] && exec &>>"DEBUG.log"
 	[ "${DEBUG}" != "" ] && date && echo "Start BASHBOT in Mode \"${DEBUG}\""
 	[[ "${DEBUG}" = "xdebug"* ]] && set -x 
-	#cleaup old pipes
+	#cleaup old pipes and empty logfiles
 	find "${TMPDIR}" -type p -delete
+	find "${TMPDIR}" -size 0 -name "*.log" -delete
 
 	while true; do
 		UPDATE="$(getJson "$UPD_URL$OFFSET" | "${JSONSHFILE}" -s -b -n)"
diff --git a/modules/background.sh b/modules/background.sh
index 917ab31..d48e9de 100644
--- a/modules/background.sh
+++ b/modules/background.sh
@@ -5,7 +5,7 @@
 # This file is public domain in the USA and all free countries.
 # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
 #
-#### $$VERSION$$ v0.80-pre-0-gdd7c66d
+#### $$VERSION$$ v0.80-pre-2-g9482bd6
 
 # source from commands.sh if you want ro use interactive or background jobs
 
@@ -48,6 +48,7 @@ start_back() {
 # $3 prefix
 start_proc() {
 	[ "$2" = "" ] && return
+	[ -x "${2%% *}" ] || return 1
 	local fifo; fifo="${TMPDIR:-.}/$(procname "$1" "$3")"
 	kill_proc "$1" "$3"
 	mkfifo "${fifo}"
diff --git a/mycommands.sh b/mycommands.sh
index e1adfed..b5e5ea2 100644
--- a/mycommands.sh
+++ b/mycommands.sh
@@ -2,7 +2,7 @@
 # files: mycommands.sh.dist
 # copy to mycommands.sh and add all your commands and functions here ...
 #
-#### $$VERSION$$ v0.80-pre-0-gdd7c66d
+#### $$VERSION$$ v0.80-pre-2-g9482bd6
 #
 
 # uncomment the following lines to overwrite info and help messages
@@ -30,7 +30,7 @@ if [ "$1" != "source" ];then
 		'/question'*) # start interactive questions
 			checkproc 
 			if [ "$res" -gt 0 ] ; then
-				startproc "examples/question.sh"
+				startproc "examples/question.sh" || _message "Can't start question."
 			else
 				send_normal_message "${CHAT[ID]}" "$MESSAGE already running ..."
 			fi
@@ -39,7 +39,7 @@ if [ "$1" != "source" ];then
 		'/run_notify'*) # start notify background job
 			myback="notify"; checkback "$myback"
 			if [ "$res" -gt 0 ] ; then
-				background "examples/notify.sh 60" "$myback" # notify every 60 seconds
+				background "examples/notify.sh 60" "$myback" || _message "Can't start notify."
 			else
 				send_normal_message "${CHAT[ID]}" "Background command $myback already running ..."
 			fi