Why do I get error message 80096010 saying unknown publisher and invalid digital signature when I try to download?

by on May 31, 2011

Q: i cant download any programs including anti-virus and keep getting an error message 80096010 saying unknown publisher and invalid digital signature. I cant even use windows update. non of the fixes on Microsofts web site work.


One Response to “Why do I get error message 80096010 saying unknown publisher and invalid digital signature when I try to download?”
  1.  

    This error can be caused by a number of different issues, I suggest you review the following page which has a number of possible resolutions. Various fix are listed, only use one at a time. Once one of the fixes works, you don’t have to continue through the rest of them.

    http://support.microsoft.com/kb/822798