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Win 7 - Top 1" of full screen window becomes white/click-through
I've been seeing what appears to be a windows bug, but I havent been able to locate any discussion or permanent fix. In a application that has been maximized, the top inch (edge-to-edge across the top 80-100 pixels? or so, enough that the office ribbon is mostly obscured) becomes white, and clicking in that space actually clicks-through to the application (or desktop) that is behind it.
It appears to only happen to a single application at a time, and the effect disappears if the user pulls that application out of full screen mode (using the Windows-Arrow shortcuts, as the minimize, windowed, and close buttons at the top are no longer accessible). I've seen it in IE, Word, Excel, and Acrobat. The issue disappears with a reboot. I can probably count the number of times it's occurred on both hands in the last year, and I've never had a chance to really do much more in the way of testing. I dont believe there's any event log entries that appear in conjunction with it.
Our office is running all dell hardware (laptops and desktops of different flavors), on Windows 7 32/64bit, and the only thing that appears consistent between the users having the problem is the use of two monitors.
It started happening to just one user about a year ago (infrequently) and has recently been reported by 3-4 more users in the last couple months.
We've been users of AVG and Malwarebytes, and I dont suspect anything nefarious... just seems to be an irritating bug from the looks of it.
Anyone else run into this, or have a permanent fix? I've googled up a storm trying to find anything related to it, and came up empty.
Thanks,
Mike
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