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

Fix Windows Security Authentication Error 0x80070035

How to Fix Windows Defender Firewall Blocked App

You try to open an app, but it either won't start or can't connect to the internet. A common caus...

Fix Windows Update Service After Antivirus Install

You installed a new antivirus program, and now Windows Update won't run. The service might be dis...

How to Backup and Restore Files Using Command Prompt

If you've ever lost important files, you know how valuable a good backup can be. The Command Prom...

Fix Task Scheduler Error 0x80070057 After Windows Update

After a Windows update, you may see error 0x80070057 when opening Task Scheduler or trying to cre...

Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps

When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...