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

Clear Windows Update Cache to Fix Slow Performance

If your Windows PC feels sluggish, especially after recent updates, corrupted update cache files ...

Fix Windows Activation slui.exe Not Opening

When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...

How to Fix systemd Service Restart Loop

If you see a systemd service repeatedly starting and stopping, you're dealing with a restart loop...

Fix Outlook Reset Settings Permission Denied Error

Fix PowerShell High Memory Usage on Startup

If PowerShell consumes a large amount of memory (e.g., >200 MB) immediately upon opening, somethi...

Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...