Fix BitLocker Invalid Configuration Error
You see a BitLocker error saying 'invalid configuration' when trying to enable or manage encrypti...
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Browse labSetup Windows Security for Small Business: A Practical Guide
If you're running a small business on Windows, you can rely on the built-in Windows Security (for...
How to Fix Windows Defender Proxy Error
If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...
Fix Windows Defender 404 Not Found Error on Windows 10
You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...
How to Fix Windows Security Service Not Running
If you see an error that the Windows Security service is not running, the Security Center or Wind...
Fix Windows Defender Authentication Error from Corrupted System Files
You open Windows Defender and see an authentication failed error. This often happens after a fail...