It is known that attmain.exe is part of a process called Alt-Tab Thingy™, but we are unsure if this process is a virus or malware, and could be harmful to your PC. Has attmain.exe been found or your PC? If you know what this file does, please post a comment with what you know.

You may have a malware or a form of adware on your PC, and be completely unaware.

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