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

Fix Windows Security Path Not Found Error (Code 0x80070003)

When you open Windows Security (formerly Windows Defender Security Center) and see an error like ...

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

Fix OneDrive Sync High CPU Usage with Error 0x8004de40

If OneDrive is using high CPU and showing error 0x8004de40, the sync client is likely stuck in a ...

How to Fix Task Scheduler Access Denied Error

You open Task Scheduler, run a task, and get an 'Access Denied' error. This usually means the tas...

Fix Remote Desktop 404 Error from SSL Certificate Issues

When you try to connect to a remote desktop and get a 404 error, it often points to an SSL certif...

Fix Windows Defender Service Not Starting After Update

After a Windows update, you might find that Windows Defender won't start, leaving your system wit...