
Fix Windows Defender Access Denied Error Due to Malware
You try to open Windows Defender Security Center or run a scan, but get an 'Access Denied' error....

You try to open Windows Defender Security Center or run a scan, but get an 'Access Denied' error....

If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...

After a Windows update, you might see an “Activation” watermark or a message saying Windows is no...

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...

If PowerShell isn't starting automatically when you boot your PC, a scheduled task, startup short...

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...