Unable to open Office documents or Explorer view from SharePoint on Windows XP or Windows Vista

October 13th, 2011 | Categories: SharePoint

If you run into this problem and you’ve checked that your Webclient service is running on your computer, there may be chance that the server running SharePoint has basic authentication enabled. There is a fix for this that needs to be installed locally. You can find the explanation and fix here: http://support.microsoft.com/kb/841215

Update: If you use Microsoft Office 2010, you have to use other fix: