Have you manually gone to Windows update, enabled Microsoft Updates and ensured you have all of the updates available -- including hidden updates and those "non-critical" updates that don't install automatically?
What operating system are you using and which version of Premiere Elements are you editing with?
Some of this may be for Premiere Pro, but SHOULD also help with Premiere Elements
Also http://www.microsoft.com/en-us/download/details.aspx?id=14632 for a Microsoft download
Also search http://search.microsoft.com/search.aspx?mkt=en-US&setlang=en-US for Microsoft help articles