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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix PowerShell Execution Policy Error on Startup

When you try to start PowerShell and see an error like 'PowerShell failed to start because of exe...

SSL Certificate Error in Command Prompt: Troubleshooting Checklist

When you see SSL certificate errors in Command Prompt — often with tools like curl, ...

Remote Desktop Version Mismatch: A Practical Checklist

You try to connect to a remote desktop, but instead of a successful login, you get an error about...

Fix Windows Search Not Working in File Explorer

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...

Fix OneDrive Sync "File in Use" Error: Step-by-Step

You see a OneDrive sync error that says "file in use" or "the file is open in another program." T...