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

Fix Windows Update Token Expired by Resetting SoftwareDistribution Folder

If you see a Windows Update error mentioning an expired token, the update components may have sta...

Fix Windows Defender Blank Screen After Update

After a recent Windows update, you may open Windows Security (Windows Defender) and see a blank w...

Fix Microsoft Teams Camera Not Working with Virtual Background

You’ve set up a virtual background in Microsoft Teams, but your camera stops working or shows a b...

How to Fix systemd Service Restarting Repeatedly Error

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

Fix Microsoft Store Module Not Found Configuration Error

You open Microsoft Store or a Store app and see an error like 'module not found' or 'configuratio...