Hi, friends, this is my first post in this forum. I encounter a very annoying problem, but because of my ill English, I can't describe it clearly and can't find a solution via googling.
Below are two screenshots that I think they can show you the problem.
Attachment 246319Attachment 246320
I'm not sure how it happens, and when it occurs, the only way that I can get rid of it is rebooting my machine, very annoying.
Does any one encounter this problem too? What can I do to fix this problem?
Thanks in advance!
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