Knowledge base for software setup, errors, and daily tool work.

Fix Windows Activation Service Unavailable Without Product Key

You see 'Windows activation service unavailable' and you don't have the product key. This usually...

Fix OneDrive Connection Refused Due to Proxy Settings

If OneDrive shows a 'connection refused' error, your proxy settings are a common cause. This usua...

Fix 'Port Already Allocated' Error in Windows Defender on Windows 10

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

Fix WinRAR Checksum Error on Windows 10

If you see a 'Checksum error' or 'CRC failed' message when extracting a RAR or ZIP file in WinRAR...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

BitLocker Backup Restore Tool Not Detecting Drive: Fixes

You connect a drive that contains a BitLocker backup, but the restore tool doesn't see it. This c...