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

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

Fix Chrome Profile Port Already Allocated on Windows 10

You start Chrome and see an error saying the profile port is already allocated. This usually happ...

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

How to Clear Stuck OneDrive Pending Changes

You see "Pending changes" in OneDrive, but they never finish syncing. Files may appear stuck with...

Chrome Profile Module Not Found: Troubleshooting Checklist

You launch Chrome and instead of your usual profile, you see an error saying the profile module c...

Fix Windows Security Access Denied via Group Policy

When you try to open Windows Security or access its features (like virus & threat protection), yo...