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What version of Windows are you using?
Update Microsoft Security Essentials and run a full system scan with it.
Did you installed any program before problem started?
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3 people were helped by this reply
Okay. Fingers crossed from my side too :)
Have a good day :)
If you no longer have the issue then that's great, however, if it continues see the following.
According to this earlier thread from a few days ago, that's due to malware that can be removed using the programs suggested in a post by
Vijay_Verma marked as Answer.
If you scroll down through that thread, you'll see screenshots with exactly the same error message you indicated.
< EDIT > Oops, missed Smeed's earlier post regarding this same thread, but I'll leave this here just in case some future person with the problem misses it as well.
Running Window 10
No I did not install anything
Have you read my prior post? zupdater.exe Error message (Smeed Replied on June 14, 2019)