Error testing msstyle There was an error applying the Test MsStyles File

[markd89]

I wasn't sure where to post this. I'm running under Windows 8.1, the current beta 1.563 and Uxstyle installed.

I'm working on a modified Aero theme and most of the time Test works just fine.

Sometimes it gets the following error:

"Error Testing MsStyles File There was an error applying the Test MsStyles File, this usually signals an error in the MsStyles file"

when I get that error, the only solution I have found is a system restore. When I do the system restore, I can do the test fine so I know the msstyle file is OK. I have got in the habit of making frequent restore points, but it would be good to know the cause and a solution or workaround.

Thanks much!
Mark

[3am]

Problem might be UxStyle:

1) Apply default Windows theme
2) Stop and Restart Unsigned Themes Service in Task Manager
3) Try to test in WSB