diff -Naur ics_awstats//classes/class.tx_icsawstats_awstats.php ics_awstats-dev//classes/class.tx_icsawstats_awstats.php
--- ics_awstats//classes/class.tx_icsawstats_awstats.php	2011-04-23 20:24:18.427783001 +0200
+++ ics_awstats-dev//classes/class.tx_icsawstats_awstats.php	2011-04-23 20:22:35.739783002 +0200
@@ -334,6 +334,9 @@
 				return self::$ERR_AWSTATS_CALL_FAILED;
 			}
 			else {
+				if ($update_in_progress) {
+					$this->unlink_update_lockfile($t3log);
+				}
 				return $content;
 			}
 		} else {
diff -Naur ics_awstats//mod1/index.php ics_awstats-dev//mod1/index.php
--- ics_awstats//mod1/index.php	2011-04-23 20:24:18.435783001 +0200
+++ ics_awstats-dev//mod1/index.php	2011-04-23 20:22:54.111783002 +0200
@@ -364,7 +364,7 @@
 		if ($awstats_obj->is_set_update_lockfile($lfile)) {
 			$content.= $LANG->getLL('updateInProgress');
 			if ($logconfig['browser_update']) {
-				$rmlockurl = 'index.php?rmlock='.urlencode($lfile);
+				$rmlockurl = $SERVER['PHP_SELF'].'?M=tools_txicsawstatsM1&rmlock='.urlencode($lfile);
 				if (t3lib_div::_GP('dbg')) $rmlockurl.= '&dbg=1';
 				$content.= ' (<a href="'.htmlspecialchars($rmlockurl).'">'.$LANG->getLL('deleteUpdateLockfile').'</a>)';
 			}