Try accessing the site through your web browser....... Internet Explorer 7 or Firefox. There haven't been any new posts to the galleries since Christmas due to a server failure but that should be fixed next week.
Stardock Central has been replaced by Impulse. You can get Impulse here
So the last time I got one of those little pop-ups from Microsoft,
Not sure why Microsoft would have any pop-ups related to Windowblinds but once you install Impulse, update Windowblinds. Be sure to turn off Windows Defender and any third party Anti-virus when updating/installing thru impulse.