
Fix Windows Defender Port Already Allocated Registry Error
When Windows Defender fails to start or update, you might see an error like 'port already allocat...
Software troubleshooting desk

When Windows Defender fails to start or update, you might see an error like 'port already allocat...

You enter your BitLocker recovery key, but Windows rejects it. This often points to a TPM (Truste...

After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...

After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...

If you see a message like "Windows Security module not found" inside your third-party antivirus p...

If you see an error saying the OneDrive sync port is already allocated, it usually means another ...