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

Fix Windows Update Blank Screen with Bootable USB

After a Windows Update, some users encounter a blank screen—no login prompt, no cursor, just a bl...

Check Which Process Is Using a Port on Windows

When a service or application fails to start because a port is already in use, you need to identi...

PowerShell Rate Limit Error Not Working: Fixes for Throttling Issues

You've configured a rate limit in PowerShell, but the error doesn't fire when you exceed the thre...

Fix OneDrive Sync Token Expired Error in Office 365

If you see a message like 'Sync token expired' or 'Access token expired' in OneDrive for Office 3...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix GitHub Actions Permission Denied for Checkout Step

When a GitHub Actions workflow fails at the checkout step with a 'permission denied' error, it us...