Fix Windows Defender DNS Error on Windows 10
If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...
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View listHow to Fix Windows Security Rate Limit Error
You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...
Fix Windows Activation Service Unavailable Error
You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...
Fix Windows Defender Version Mismatch Permission Denied Error
You might see a 'version mismatch' or 'permission denied' error when trying to update or run Wind...
Fix Windows Security High Memory Usage (MsMpEng.exe)
You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...
How to Restart Windows Defender Threat Service
If Windows Defender shows a warning like "Threat service has stopped" or "Virus & threat protecti...
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