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

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 Security Authentication Error 0x80070035

How to Unlock a File Locked by Chrome Browser

You try to rename, move, or delete a file, but Windows says it's open in Chrome. Even after closi...

How to Repair a Corrupted Chrome Profile Without Losing Data

You open Chrome and see a warning that your profile is corrupted, or the browser crashes repeated...

Fix Chrome Profile Cannot Connect to Proxy Server

When you open Chrome and see 'cannot connect to the proxy server', it usually means your browser'...

How to Fix Command Prompt SSL Certificate Error

When you see an SSL certificate error in Command Prompt, it usually means the system cannot verif...