Today I noticed some strange things on my Windows 8 computer:
- I could not open downloaded PowerPoint presentations, because ''the presentation could not be opened. Probably, an anti-virus program hinders the presentation from being opened.'' (translated error from Dutch)
- I received a message that the Windows Defender service was turned off. I could re-enable it, but later I got the same message again.
I have never used any anti-virus other than Windows Defender on my computer. I did a clean install, so there was no trial of an AV running. I've ran scans with Windows Defender, Malwarebytes Free and HitmanPro. No threats were found.
Do you think I am infected by something?
EDIT: I ran another quick scan with Windows Defender. When the scan was almost finished I received the error: ''the pc could not be scanned. The service of this program has been stopped. Error code: 0x800106ba'' (error translated from Dutch)
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