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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

Fix PowerShell Invalid Configuration After Update

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

How to Backup to External Drive Using Windows Command Prompt

If you need a reliable way to copy files to an external drive without extra software, the Windows...

Fix OneDrive Sync Stuck Due to Network Issues

You open OneDrive and see "Sync pending" or "Changes not syncing" with no error code. Often the c...

Fix Windows Activation Invalid Configuration Registry Error

You try to activate Windows, but instead get an error message saying the activation configuration...