Checklists for software errors, setup, and tool workflows.

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix PowerShell Slow Performance After Update

After a Windows update, some users notice that PowerShell starts slowly or runs commands with a d...

Troubleshoot Windows Defender Update Stuck at 0%

You open Windows Security, trigger an update, and the progress bar sits at 0% for minutes or hour...

How to Fix Microsoft Store Not Opening After Update

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...

Fix "7zip Cannot Open File as Archive" Permission Denied Error

You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...

How to Fix Microsoft Teams Not Opening

When Microsoft Teams fails to open, it often shows no error message or just hangs on a splash scr...