
How to Re-enable Windows Defender Real-Time Protection
If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

If you see activation errors like “Windows is not activated” or “We can’t activate Windows on thi...

If you're stuck in a login loop after signing into Windows, and PowerShell or other system compon...

You run a command in Command Prompt and get an error like "Access is denied" or "Permission denie...

When using command prompt tools like ping, telnet, or mstsc

If you've recently replaced a motherboard, CPU, or other major hardware, Windows may deactivate a...