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

Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

Fixing PowerShell Remote Execution Failures on a Network

Fix Outlook Sync Stuck by Clearing Cache

If Outlook stops syncing emails, calendar, or contacts, a corrupted cache is often the culprit. T...

Fix PowerShell Cannot Connect to Office 365

You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...

Checklist for Fixing Windows Defender Dependency Conflict

If Windows Defender refuses to start or update with an error about a dependency conflict, it's of...

BitLocker Command Not Found: Setup Guide for IT Admins

When you type manage-bde or repair-bde and get "command not found" on W...