Check for Malware When Windows Activation Causes High CPU Usage
If your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...
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Browse labTroubleshooting WinRAR Checksum Errors
When you extract a RAR archive and see a checksum error, the file is likely damaged. This guide c...
Fix Windows Activation Error 0x803f7001 (Rate Limit)
You see error 0x803f7001 when trying to activate Windows. The message mentions a “rate limit.” Th...
How to Fix BitLocker Error 0x80071771
When you see BitLocker error 0x80071771, it usually means Windows cannot read or apply the recove...
How to Fix Remote Desktop Connection Refused After a Windows Update
After a recent Windows update, you might see "Remote Desktop Connection Refused"...
Fix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...