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

Fix Windows Defender Real-Time Protection Greyed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Version Mismatch and Permission Denied in Windows Update

When running Windows Update, you might encounter a "version mismatch" error followed by "permissi...

Fix DNS Probe Finished NXDOMAIN on Chrome for Mac

You're browsing in Chrome on your Mac and suddenly a site won't load. Instead, you see the error ...

Fix Windows Security Login Loop and Sync Issues

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...

Windows Defender Real-Time Protection Error 0x80070422 Fix

You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...