Well jeez I'm stupid. The "similar post" is now close to the top of the list on this forum, actually, and has more history than this one, including a link to a dev build that may fix this shadows issue.

http://dexpot.de/forum/viewtopic.php?t=1043

I saw this happen once when I accidentally opened the start menu right before switching desktops - even after switching back and closing the start menu, the shadow from it remained "burned in" to all of my desktops. I assume the issue in the screenshot shown happened with tooltips present while switching desktops, though I've not attempted to replicate it myself.

I know I've seen this kinda "shadow-burn" happen before, though I can't remember specifically (I'm thinking YzShadow was bad for it).

One workaround would be to turn off any settings for drawing shadows under menus/etc. I know there's a setting for diaplaying shadows under menus in My Computer properties -> Advanced -> Performance -> Settings. I'm not sure about tooltip shadows...in fact my XP Pro here already isn't showing shadows under tooltips, but it might be worth looking into disabling that if it isn't a big deal to you.

PS - I couldn't immediately find the "similar post just below" mentioned previously, so I'm just replying here.

i've seen a similar post just below. sorry, but i feel is better follow through the first post.

Extrange marks appear sometimes (and remain fixed) when I'm using switching through hotkeys. I don't know how to remove this marks but they're truly annoying. Only appear in one of the desktops (if the other desk has are always in different position and shape). I can remove them if they're in second desktop (I'm using two) closing desxtop and reopening, but not in primaru

I've attached a capture.



Can anybody help me? I need it, 'cause I love Dexpot manager, but it's difficult to work with this issue.

pd. I feel could be related with firefox (I'm using two or more windows in both desktops).

thanks on advance, good fellows!