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

Fix Windows Update 502 Bad Gateway Due to Firewall Settings

When Windows Update fails with a 502 Bad Gateway error, it often points to a network issue—common...

Fix Windows Security Module Not Found in Windows 11

You open Windows Security and see 'Windows Security module not found' or the app fails to launch....

How to Backup Task Scheduler Settings Before Resetting

When you're about to reset your Windows PC or reinstall the operating system, you may lose all yo...

How to Fix Windows Update Version Mismatch Sync Issues

You may see an error like 'Windows Update version mismatch' or 'Sync failed' when trying to updat...

How to Fix Abnormal Memory Usage in CMD on Windows

Fix Command Prompt Update Permission Denied Error

You try to update Command Prompt (e.g., run winget upgrade or choco upgrade al...