>>I found this https://www.mylivepromoter.com/support/showthread.php?t=255 not sure if related.
>>
>>I also re-checked all my options, and in Advanced/Multimedia section I see "Show pictures" checkbox.
>
>This seems to be related to everywhere. In Windows in general, I see that all backgrounds from all applications are now white. This is where the problem is. While adjusting some settings in the resolution last night, something might have been triggered forcing that change. I rebooted and reselected the resolution and some settings. I just cannot get the default mode back.

Did you try suggestion from my original message through Control Panel settings?