Recovering a locked-out Windows: lost admin, restore points, Safe Mode Take back control of a locked-out Windows: lost administrator account, system restore, safe mode.

Windows diagnostics: solving every system problem Run a methodical Windows diagnosis instead of reinstalling and hoping.

Mastering advanced analysis and debugging of client-server applications Analyse a client-server application to place the fault: workstation, network or server.

Web server debugging: diagnosing a website outage step by step Diagnose a website outage step by step, from the browser all the way to the server.

Windows will not boot? Rebuilding the boot chain, step by step Rebuild the Windows boot chain when the machine will not start at all.

New Teams stuck? Repairing it in 5 minutes Repair the new Teams in a few minutes, without rebuilding the workstation.

Understanding and fixing legacy apps on Windows: registry, logs & AppData Keep old applications running on Windows: registry, logs and AppData.

Active Directory has stopped responding? Here is what to do right now Know what to check, and in what order, when Active Directory stops responding.

Active Directory down? Troubleshooting it with a Claude.ai script Troubleshoot an Active Directory with a diagnostic script written alongside AI.