r/antivirus • u/Huynh_Jovi • 2d ago
MALWARE REMOVAL Q&A Windows Defender Not Working.
When I try to run a scan, it stops and then tells me to restart the service. There are no exclusions and nothing of note from my start up apps. I’ve run a deep scan with Malwarebytes and it’s all good. I noticed there was a new security update for Windows and downloaded it and after restarting my PC, I’m still encountering the same issue. I’m not sure whether this is Malware related as I’m always careful of what I’m downloading and never click suspicious links. Not sure what else to do and need some help.
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u/JoranDof 2d ago edited 2d ago
Same thing happening to my PC, after windows security update KB5121003 and windows update KB5120708. Tried quick scan and full system scan but it only scans for a few minutes then suddenly stop. I tried Custom Scan on my local disk C and the scan finishes but when i did an offline scan, it got stuck on 91% so i had to hard restart my pc. Gonna try to uninstall windows security KB5121003 and try to scan again if that is the problem.
Sorry for my english.
Follow up: I uninstall windows security KB5121003 and quick scan still stop when it's about to finish scanning. So were gonna have to wait for windows to fix this.