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

Force Delete a File Locked by Windows Command Prompt

You're trying to delete a file in Windows, but you get an error saying the file is open in 'comma...

Fix Microsoft Teams Blank Screen: Web vs Desktop

When Microsoft Teams shows a blank screen—white or grey—after login, the problem usually lies in ...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

How to Reduce CMD Memory Usage in Windows

If you notice the Command Prompt (CMD) using more memory than expected—sometimes hundreds of mega...

Fix Windows Terminal 504 Timeout from Proxy Settings

You open Windows Terminal, try to run a command that reaches an external API or a web service, an...

How to Check OneDrive Version for Sync Compatibility

If OneDrive sync stops working or shows errors like “This version of OneDrive is no longer suppor...