Is this Malware ? Can’t click No or cancel.

I accidentally installed a setup file thinking it was something else and nothing happened. Ever since then I’m getting this pop up and I can’t hit No. i keeps coming back. Is this legitimate or is this a malware? Malware bytes found nothing. No sus apps in Installed or task manager.

I accidentally installed a setup file thinking it was something else and nothing happened. Ever since then I’m getting this pop up and I can’t hit No. i keeps coming back. Is this legitimate or is this a malware? Malware bytes found nothing. No sus apps in Installed or task manager.