diff --git a/wp-admin/js/wp-gears.dev.js b/wp-admin/js/wp-gears.dev.js
index 3e9519c478..b91ace7e1f 100644
--- a/wp-admin/js/wp-gears.dev.js
+++ b/wp-admin/js/wp-gears.dev.js
@@ -28,9 +28,13 @@ var wpGears = {
 	},
 
 	storeName : function() {
-		var name = window.location.protocol + window.location.host;
+		var name, host = window.location.host;
 
-		name = name.replace(/[\/\\:*"?<>|;,]+/g, '_'); // gears beta doesn't allow certain chars in the store name
+		if ( host.match(/[^a-z0-9._-]/i) )
+			host = encodeURIComponent(host);
+		
+		name = window.location.protocol + host;
+		name = name.replace(/[^a-z0-9._-]+/gi, '_');
 		name = 'wp_' + name.substring(0, 60); // max length of name is 64 chars
 
 		return name;
diff --git a/wp-admin/js/wp-gears.js b/wp-admin/js/wp-gears.js
index 375234c44d..55bec52893 100644
--- a/wp-admin/js/wp-gears.js
+++ b/wp-admin/js/wp-gears.js
@@ -1 +1 @@
-var wpGears={createStore:function(){if("undefined"==typeof google||!google.gears){return}if("undefined"==typeof localServer){localServer=google.gears.factory.create("beta.localserver")}store=localServer.createManagedStore(this.storeName());store.manifestUrl="gears-manifest.php";store.checkForUpdate();this.message(3)},getPermission:function(){var a=true;if("undefined"!=typeof google&&google.gears){if(!google.gears.factory.hasPermission){a=google.gears.factory.getPermission("WordPress","images/logo.gif")}if(a){try{this.createStore()}catch(b){this.message()}}else{this.message(4)}}},storeName:function(){var a=window.location.protocol+window.location.host;a=a.replace(/[\/\\:*"?<>|;,]+/g,"_");a="wp_"+a.substring(0,60);return a},message:function(a){var d=this,g=d.I("gears-msg1"),f=d.I("gears-msg2"),e=d.I("gears-msg3"),c=d.I("gears-msg4"),b=d.I("gears-upd-number"),h=d.I("gears-wait");if(!g){return}if("undefined"!=typeof google&&google.gears){if(a&&a==4){g.style.display=f.style.display=e.style.display="none";c.style.display="block"}else{if(google.gears.factory.hasPermission){g.style.display=f.style.display=c.style.display="none";e.style.display="block";if("undefined"==typeof store){d.createStore()}store.oncomplete=function(){h.innerHTML=(" "+wpGearsL10n.updateCompleted)};store.onerror=function(){h.innerHTML=(" "+wpGearsL10n.error+" "+store.lastErrorMessage)};store.onprogress=function(i){if(b){b.innerHTML=(" "+i.filesComplete+" / "+i.filesTotal)}}}else{g.style.display=e.style.display=c.style.display="none";f.style.display="block"}}}},I:function(a){return document.getElementById(a)}};(function(){if("undefined"!=typeof google&&google.gears){return}var a=false;if("undefined"!=typeof GearsFactory){a=new GearsFactory()}else{try{a=new ActiveXObject("Gears.Factory");if(factory.getBuildInfo().indexOf("ie_mobile")!=-1){a.privateSetGlobalObject(this)}}catch(b){if(("undefined"!=typeof navigator.mimeTypes)&&navigator.mimeTypes["application/x-googlegears"]){a=document.createElement("object");a.style.display="none";a.width=0;a.height=0;a.type="application/x-googlegears";document.documentElement.appendChild(a)}}}if(!a){return}if("undefined"==typeof google){google={}}if(!google.gears){google.gears={factory:a}}})();
\ No newline at end of file
+var wpGears={createStore:function(){if("undefined"==typeof google||!google.gears){return}if("undefined"==typeof localServer){localServer=google.gears.factory.create("beta.localserver")}store=localServer.createManagedStore(this.storeName());store.manifestUrl="gears-manifest.php";store.checkForUpdate();this.message(3)},getPermission:function(){var a=true;if("undefined"!=typeof google&&google.gears){if(!google.gears.factory.hasPermission){a=google.gears.factory.getPermission("WordPress","images/logo.gif")}if(a){try{this.createStore()}catch(b){this.message()}}else{this.message(4)}}},storeName:function(){var a,b=window.location.host;if(b.match(/[^a-z0-9._-]/i)){b=encodeURIComponent(b)}a=window.location.protocol+b;a=a.replace(/[^a-z0-9._-]+/gi,"_");a="wp_"+a.substring(0,60);return a},message:function(a){var d=this,g=d.I("gears-msg1"),f=d.I("gears-msg2"),e=d.I("gears-msg3"),c=d.I("gears-msg4"),b=d.I("gears-upd-number"),h=d.I("gears-wait");if(!g){return}if("undefined"!=typeof google&&google.gears){if(a&&a==4){g.style.display=f.style.display=e.style.display="none";c.style.display="block"}else{if(google.gears.factory.hasPermission){g.style.display=f.style.display=c.style.display="none";e.style.display="block";if("undefined"==typeof store){d.createStore()}store.oncomplete=function(){h.innerHTML=(" "+wpGearsL10n.updateCompleted)};store.onerror=function(){h.innerHTML=(" "+wpGearsL10n.error+" "+store.lastErrorMessage)};store.onprogress=function(i){if(b){b.innerHTML=(" "+i.filesComplete+" / "+i.filesTotal)}}}else{g.style.display=e.style.display=c.style.display="none";f.style.display="block"}}}},I:function(a){return document.getElementById(a)}};(function(){if("undefined"!=typeof google&&google.gears){return}var a=false;if("undefined"!=typeof GearsFactory){a=new GearsFactory()}else{try{a=new ActiveXObject("Gears.Factory");if(factory.getBuildInfo().indexOf("ie_mobile")!=-1){a.privateSetGlobalObject(this)}}catch(b){if(("undefined"!=typeof navigator.mimeTypes)&&navigator.mimeTypes["application/x-googlegears"]){a=document.createElement("object");a.style.display="none";a.width=0;a.height=0;a.type="application/x-googlegears";document.documentElement.appendChild(a)}}}if(!a){return}if("undefined"==typeof google){google={}}if(!google.gears){google.gears={factory:a}}})();
\ No newline at end of file
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 5326721e94..b343eeaad6 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -347,7 +347,7 @@ function wp_default_scripts( &$scripts ) {
 			'l10n_print_after' => 'try{convertEntities(wordCountL10n);}catch(e){};'
 		));
 
-		$scripts->add( 'wp-gears', "/wp-admin/js/wp-gears$suffix.js", false, '20090102' );
+		$scripts->add( 'wp-gears', "/wp-admin/js/wp-gears$suffix.js", false, '20090717' );
 		$scripts->localize( 'wp-gears', 'wpGearsL10n', array(
 			'updateCompleted' => __('Update completed.'),
 			'error' => __('Error:'),