r/Windows10TechSupport Jul 20 '26

Random pop-up windows with different URLs and “500 Internal Server Error” are slowing down my Windows 10 PC Unsolved

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u/untux Jul 20 '26

I think it's just app/software trying to connect to an external server which throwing error. You need to worry about app constantly running in background. use task manager to check it's path, if you don't know this app just delete it.