The more notable applications that have exhibited this phenomena are:
Windows media player
Attempts to update from microsoft.com
Other symptoms have included:
Unable to paste clipboard contents into email applications
Failure of web-based games to move from their home page to the active game page.
One game site reports security settings are blocking cookies and scripts.
Real Applications (arcade, player) report java scripts unavailable.
Following recommendations found in Microsoft's knowledge base on troubleshooting, I attempted to do a clean start. On restart, I got "Access denied to xxxxxx, you may need to log on as Administrator.....". I had administrator rights and when I went to Users to verify it, all I got was another blank white screen.
I have spent the better part of three days trying to determine and correct my problem with no success. Everywhere I turn I find a roadblock. Any help or suggestions gratefully accepted.