As you are the only one reporting an issue like this, it must be something causing it that is unique to your system yokustormy, possibly some settings or software you have installed? Aragon has been fully tested in Windows 7 and no one else is reporting any issues at all. As to what the problem may be though, I have no idea.
What version of Windowblinds are you using? You might want to post your About Windowblinds information here.