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

Fixing Task Scheduler Invalid Configuration Event ID 101

You open Event Viewer and see Event ID 101 under TaskScheduler with a message about an invalid co...

Fix Microsoft Teams DNS Error After Update

After a Microsoft Teams update, you may see a DNS error preventing sign-in or connection. This us...

Fix Command Prompt Sync Issue with System Clock

Fix Nginx 502 Bad Gateway for WordPress

If you see a 502 Bad Gateway error when visiting your WordPress site running on Nginx, it usually...

Fix 'Authentication Failed' Error in Net Use Command

When you run net use to map a network drive and get 'System error 1326: Logon failur...

Fix Windows Activation Error 'Permission Denied' in Command Line

When you try to activate Windows using the command line (slmgr.vbs or slui.exe) and see 'Permissi...