Recently I have issue with the Sync Center. It cannot sync my desktop with the server.
I am not sure if related or not but the PC is also noticeably slow as of late.
Please see to the issue.
Today, suddenly there are software pop up to install.
At first there were some command prompt-like windows show up.
They didn’t seem harmful but I did force shutdown just in case.
After I turn the PC on again this windows come up. I clicked ‘Don’t Install’.
Please check if any suspicious actions were taken on the PC.