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

Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID

You're browsing a site and Chrome blocks it with NET::ERR_CERT_COMMON_NAME_INVALID. ...

PowerShell Version Mismatch: A Sysadmin Checklist

You run a script that worked yesterday, and today it throws errors about missing cmdlets, incompa...

Chrome Profile Sync Stuck on Ubuntu: Fixes That Work

If Chrome sync stops mid-way on Ubuntu—showing "Syncing paused" or "Sync is stuck"—it's often a l...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

How to Fix 'Outlook File Locked in Use by Another Process'

If you see the message 'Outlook file locked in use by another process' when trying to open Outloo...

How to Fix Windows Search Settings Greyed Out

You open Windows search settings and find toggles or options greyed out—unclickable. This usually...