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

Outlook Version Mismatch Checklist: Fix Sync & Profile Errors

When Outlook shows errors like “Cannot start Microsoft Outlook” or sync failures after an Office ...

Troubleshoot 502 Bad Gateway with Curl Commands

A 502 Bad Gateway error means your server (gateway) got an invalid response from an upstream serv...

Windows Defender Error 504 Setup Guide

If you see error 504 while setting up Windows Defender, it usually means a network timeout or pro...

Fix Windows Search Fails with DNS_PROBE_FINISHED_NO_INTERNET

You type a query into the Windows Search bar, and instead of results, you see “No internet” or a ...

Fix Microsoft Teams High Memory and CPU Usage

You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...

MongoDB Authentication Failed: Administrator Checklist