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

Windows Defender Troubleshooting Guide for IT Admins

Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...

Fix Windows Activation Error 0x80070005: File Locked

When activating Windows, you might see error 0x80070005 with a message that a file is locked. Thi...

Fix Outlook Sync Issues with Gmail on Windows: Step-by-Step

If Outlook stops syncing with your Gmail account on Windows, you're not alone. This often shows u...

How to Fix Windows Security Keeps Crashing

If Windows Security (formerly Windows Defender) keeps closing unexpectedly, you may see error mes...

Fix Chrome File Locked by User Account Control

You open Chrome and get a message that a file is locked by User Account Control (UAC). This usual...

Fix Office 365 Token Expired Error in CMD