diff --git a/update_psa_helpers b/update_psa_helpers
index ff9479e..c2fa728 100755
--- a/update_psa_helpers
+++ b/update_psa_helpers
@@ -33,6 +33,7 @@ fetch_customer_updates() {
 
 copy () {
     local func="${FUNCNAME[0]}"
+    local copy_necessary=0
 
     readarray -td' ' files <<< "$1"
     for f in ${files[@]}; do
@@ -40,30 +41,51 @@ copy () {
         then
             continue
         fi
+    
+        copy_necessary=1
+
+        PERCENT=$((PERCENT+1))
+        test $PERCENT -gt 100 && PERCENT=100
+
         if grep -qE "^.*[.]conf\s*$" <<< ${f}; then
             local __f=${f#*etc/}
+            local __msg="cp ${CUSTOMER_ID_BASE_DIR}/${f} to /etc/${__f}"
             if ! cp "${CUSTOMER_ID_BASE_DIR}/${f}" "/etc/${__f}"; then
-                log_error "$func:${LINENO}: cannot "\
-                    "cp ${CUSTOMER_ID_BASE_DIR}/${f} /etc/${__f}"
-                return 1
+                log_error "$func:${LINENO}: cannot $__msg"
+                update_psa_copy_conf_ini_files $UPDATE_ISMAS_ERROR \
+                    $RC_COPY_ERROR "$__msg failed"
+                return $?
             fi
             log_info "$func:${LINENO}: copied $f to /etc/${__f}"
+            update_psa_copy_conf_ini $UPDATE_ISMAS_PROGRESS \
+                $RC_SUCCESS "$__msg ok"
+        
         elif grep -qE "^.*[.]ini\s*$" <<< ${f}; then
             # TODO: die anderen system-verzeichnisse werden gebraucht
             local __f=${f#*opt/app/ATBAPP/}
+            local __msg="cp ${CUSTOMER_ID_BASE_DIR}/${f} /opt/app/ATBAPP/${__f}"
             if [ "$__f" = "ATBQT.ini" ]; then
                 if ! cp "${CUSTOMER_ID_BASE_DIR}/${f}" /opt/app/ATBAPP/${__f}
                 then
-                    log_error "$func:${LINENO}: cannot "\
-                      "cp ${CUSTOMER_ID_BASE_DIR}/${f} /opt/app/ATBAPP/${__f}"
-                    return 1
+                    log_error "$func:${LINENO}: cannot $__msg"
+                    update_psa_copy_conf_ini_files \
+                        $UPDATE_ISMAS_ERROR $RC_COPY_ERROR "$__msg failed"
+                    return $?
                 fi
             fi
-            log_info "$func:${LINENO}: copied $f to /opt/app/ATBAPP/${__f}"
+
+            log_info "$func:${LINENO}: $__msg"
+            update_psa_copy_conf_ini $UPDATE_ISMAS_PROGRESS \
+                $RC_SUCCESS "$__msg ok"
         fi
     done
-
+    
     log_debug "$func:${LINENO}: copied *conf/*ini-files to system-dirs"
+
+    test $copy_necessary -eq 0 && \
+        update_psa_copy_conf_ini $UPDATE_ISMAS_PROGRESS $RC_SUCCESS \
+            "no copy of conf/ini-files necessary"
+
     return 0;
 }
     
@@ -104,7 +126,7 @@ check_md5_for_changed_conf_and_ini_files () {
     if ! [ -z $1 ]; then
         readarray -td' ' files <<< "$1"
         for file in ${files[@]}; do
-            log_debug "$func:${LINENO} file=$file"
+            log_debug "$func:${LINENO} checking file=${file}..."
             if [[ "$file" =~ .*emp[.]conf.* ]]; then
                 js_key=".conf.szeged.zg[1].z[1].etc.psa_config.emp"
                 md5sum_update_conf=$(cat $UPDATE_CONF | jq -r $js_key)
@@ -140,15 +162,22 @@ check_md5_for_changed_conf_and_ini_files () {
             else
                 continue
             fi
+                
+            PERCENT=$((PERCENT+1))
+            test $PERCENT -gt 100 && PERCENT=100
 
             if [ "$md5sum_repository" = "$md5sum_update_conf" ]; then
                 log_info "$func:${LINENO}: md5sum for $file ok"
+                update_psa_check_hash $UPDATE_ISMAS_PROGRESS $RC_SUCCESS \
+                    "md5sum -|$md5sum_repository|- for $file ok"
             else
                 local __r="repository: $md5sum_repository"
                 local __u="update.conf=$md5sum_update_conf"
                 local __m="$__r != $__u"
                 log_error "$func:${LINENO}: md5sum for $file wrong: $__m"
-                return 1
+                update_psa_check_hash $UPDATE_ISMAS_ERROR $RC_HASH_VALUE_ERROR \
+                    "md5sum -|$md5sum_repository|- for $file wrong"
+                return $?
             fi
         done
     else
@@ -157,6 +186,14 @@ check_md5_for_changed_conf_and_ini_files () {
     return 0
 }
 
+check_hardware_compatibility () {
+    local func="${FUNCNAME[0]}"
+    # RC_HW_COMPATIBILITY_ERROR=6
+    update_psa_check_hardware_compatibility $UPDATE_ISMAS_PROGRESS \
+        $RC_SUCCESS "TODO: hardware compatibility"
+    return $?
+}
+
 check_md5_for_opkg_packages () {
     local func="${FUNCNAME[0]}"
     local -n opkg_output_ref=$1