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

Fix Windows Defender Real-Time Protection Grayed Out

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

Fix Windows Update Version Mismatch After Upgrade

After a Windows upgrade, you might see an error saying the update version doesn't match your syst...

Fix Task Scheduler Error 0x80070020: File Locked

When a scheduled task fails with error code 0x80070020, it usually means the file or resource the...

Task Scheduler 502 Bad Gateway: Causes and Fixes

If you see a 502 Bad Gateway error when running a scheduled task that calls a web service or API,...

Command Prompt Connection Error Troubleshooting Guide

How to Set Up Chrome Profile Backup on Ubuntu

If you use Chrome on Ubuntu, your profile holds bookmarks, passwords, extensions, and settings. L...