Tim -
Try this workaround:
1. Remove the current signature file. To do this, click Start, click Run, type
Msiexec /x {A5CC2A09-E9D3-49EC-923D-03874BBD4C2C}
and then click OK.
2. Open Windows Defender. To do this, click Start, click Programs,
and then click Windows Defender.
3. Check for new definitions. To do this, click the Help options arrow next
to the Windows Defender Help icon, click About Windows Defender, and
then click Check for Updates.
“Windows Defender definitions haven’t been updated”
http://support.microsoft.com/Default.aspx?kbid=915105
--
Carey Frisch
Microsoft MVP
Windows - Shell/User
Microsoft Community Newsgroups
news://msnews.microsoft.com/
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"tim" wrote:
| 0x800700c1%1 not valid win32 application-----i get this message when i try
| to update defender beta spyware !