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

Fix Windows Update Connection Refused When Using VPN

If you see a "connection refused" error when running Windows Update while connected to a VPN, it'...

Fix Command Prompt Sync Issue with System Clock

Chrome Memory Stays High After Closing Tabs: Fixes That Work

You close a dozen tabs in Chrome, but the memory usage stays high—sometimes even after restarting...

Troubleshoot Windows Defender Update Stuck at 0%

You open Windows Security, trigger an update, and the progress bar sits at 0% for minutes or hour...

Fix Windows Update Error 0x80070002: Missing Files

If you see error 0x80070002 when checking for updates, Windows is likely missing a file it needs....