diff --git a/dapostinstall.sh b/dapostinstall.sh
index a643277..e5f9a0c 100755
--- a/dapostinstall.sh
+++ b/dapostinstall.sh
@@ -12,6 +12,7 @@ LOG_FILE=/var/log/dapostinstall.log
 HTLINK="https://ht.zenadmin.pl"
 MIN_PASSWORD_LENGTH=18
 MAX_PASSWORD_LENGTH=24
+ITERATION_LIMIT=100
 exec > >(tee -ia "$LOG_FILE") 2>&1
 cd $DAPOSTINSTALL_DIR
 yum -y install epel-release
@@ -19,7 +20,7 @@ yum -y install htop wget rsync nano mc ncdu borgbackup screen net-tools htop lib
 cp daupdate.sh /opt
 chmod 700 /opt/daupdate.sh
 cd /opt/
-/optdaupdate.sh update
+/opt/daupdate.sh update
 cd $DAPOSTINSTALL_DIR
 clear
 cd $DAPOSTINSTALL_DIR
@@ -143,9 +144,8 @@ EOT
 
 echo "Ustawienie kluczy logowania do DirectAdmina i kluczy SSH hitme"
 
-cd /opt
-sh daupdate.sh klucze
-sh daupdate keyput
+daupdate.sh klucze
+daupdate keyput
 cd $DAPOSTINSTALL_DIR
 
 echo "Instalacja Modsecurity i regułek malware experts"
@@ -365,13 +365,17 @@ chmod 755 da_cli.sh
 
 echo "Generowanie hasla DirectAdmin"
 
+count=0
+
 DA_ADMINPASS=$(
     while true; do
-        base_part=$(tr -dc '[:alnum:]' < /dev/urandom | tr -d 'oO0l1I' | fold -w "$((RANDOM % (MAX_PASSWORD_LENGTH - MIN_PASSWORD_LENGTH) + MIN_PASSWORD_LENGTH))" | head -n1)
-        special_char=$(tr -dc '[:graph:]' < /dev/urandom | tr -d '#oO0l1I' | fold -w 1 | head -n1)
+        ((count++))
+        [ "$count" -gt "$ITERATION_LIMIT" ] && { echo "Błąd: przekroczono limit iteracji generowania hasła" >&2; exit 1; }
+        base_part=$(tr -dc '[:alnum:]' < /dev/urandom | tr -d 'oO0l1I' | fold -w "$((RANDOM % (MAX_PASSWORD_LENGTH - MIN_PASSWORD_LENGTH + 1) + MIN_PASSWORD_LENGTH))" | head -n1)
+        special_char=$(tr -dc '[:graph:]' < /dev/urandom | tr -d '#|oO0l1I' | fold -w 1 | head -n1)
         special_index=$((RANDOM % ${#base_part}))
         password="${base_part:0:special_index}${special_char}${base_part:special_index}"
-        if echo "$password" | grep -qE '[[:digit:]]' && echo "$password" | grep -qE '[[:upper:]]' && echo "$password" | grep -qE '[^[:alnum:]]'; then
+        if echo "$password" | grep -qP '^(?=.*[[:digit:]])(?=.*[[:upper:]])(?=.*[^[:alnum:]]).+$'; then
             echo "$password"
             break
         fi