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

How to Fix Windows Security Not Opening

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

Fix Outlook 502 Bad Gateway Error in Office 365

If you're seeing a '502 Bad Gateway' error when trying to use Outlook with Office 365, it usually...

Fix OneDrive Sync Not Working After Windows Update

After a Windows update, OneDrive may stop syncing files or show errors like "OneDrive is syncing"...

Chrome Profile Token Expired: Fix Sync Not Working

You open Chrome and notice your bookmarks, passwords, or history aren't syncing. A common cause i...

Fix Windows Defender 502 Bad Gateway Error: Configuration Guide

If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...

Fix pip SSL Certificate Verify Failed on Ubuntu