FYI, from Microsoft support site: A recent, isolated issue was discovered in the SharePoint 2010 Products April 2012 Cumulative Update that could result in an HTTP 500 error when users delete objects to include documents, lists, and Webs and a new object is created using the same path where the original...

After updating one of my SharePoint 2010 labs with SharePoint 2010 December 2011 CU, I noticed that I could not see the document preview and thumbnails as part of my search results. After some digging with Fiddler I noticed that the call to wacproxy.ashx was returning a weired error as follows: ('ERROR...

December Cumulative Update for Office SharePoint Server 2007 and Windows SharePoint Services 3.0 is now available for download: December Cumulative Update for Windows SharePoint Services 3.0 December Cumulative Update for Microsoft Office Servers More information can be found here .

If you are planning to deploy this update to your production environment, pay attention to a known issue that may affect AAM functionality in which discovered after release of Infrastructure Update for WSS 3.0, the KB 951695 has been recently updated with more information on the issue: "Installing...