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Windows Security Not Scanning for Viruses: How to Fix

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

Fix Windows Defender Login Loop in Safe Mode

If Windows Defender keeps asking you to sign in repeatedly—even in Safe Mode—the problem is usual...

How to Fix BitLocker 'Command Not Found' or 'Permission Denied'

When you run a BitLocker command in PowerShell or Command Prompt and see 'bitlocker' is not...

Command Prompt Setup for Advanced Users: Customizing the Environment
If you spend a lot of time in the Command Prompt, the default black-and-white window with limited...

Fix Windows Security High CPU Usage During Malware Scans
You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...

Fix Windows Security Login Loop: Step-by-Step
You sign in to Windows, see the desktop briefly, then get kicked back to the login screen. This l...


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