Checklists for software errors, setup, and tool workflows.

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix BitLocker Error 504 When Unlocking a Drive

When you try to unlock a BitLocker-encrypted drive and see error 504, the drive remains locked an...

Fix Windows Update Service Fails to Start After Update

After installing a Windows update, you may find that the Windows Update service (wuauserv) fails ...

Fix Edge Profile Sync Paused Due to No Internet

You open Edge and see the profile sync status is paused with a message about no internet connecti...

Fix Windows Update Proxy Error Permission Denied

You're trying to run Windows Update, but it fails with a 'permission denied' error related to a p...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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