Sorry to hear you are having issues. Need to know more on your system.
1) Windows version. Please use Winver.exe for full Windows version numbers.
2) Fences version.
3) Windowblind version.
4) Is the issue with Windowblinds style dependent? If you use style that come with Windowblinds such as Arcylic 7 or Corporate does the issue goes away.
5) A screenshot on the issue will help us understand it better.
Stardock Community Assistant.