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

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 Windows Update Version Mismatch After Upgrade

After a Windows upgrade, you might see an error saying the update version doesn't match your syst...

How to Fix Task Scheduler Permission Denied Error

When you try to create or run a task in Windows Task Scheduler and get a "Permission denied" erro...

Fix Microsoft Store Error 0x80073cf3 After Update

If you see error 0x80073cf3 when opening the Microsoft Store after a Windows update, the store ap...

How to Fix Windows Search 504 Gateway Timeout Error

If you're seeing a "504 Gateway Timeout" error when using Windows Search, it usually means the se...

Fix Chrome SSL Certificate Error: Invalid Common Name