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

Microsoft Teams High CPU Usage Fix

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

How to Increase Remote Desktop Gateway Timeout Limit

If you frequently see "The connection was denied because the user account is not authorized for r...

Fix Windows Update Failed to Start After Reboot

You’ve just restarted your PC after installing updates, but Windows Update won’t start. The updat...

Fix Windows Certificate Error 0x800b0109

When you see error code 0x800b0109 in Windows, it means the operating system cannot verify a digi...

Fix Windows Defender Security Center Not Opening

When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...

Fix 'Outlook File Locked by Another User Permission Denied' Error