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  1. Windows Startup Settings - Microsoft Support

    Oct 14, 2025 · If a problem doesn't reappear when you start in safe mode, you can eliminate the default settings, basic device drivers, and services as possible causes. Other startup settings …

  2. Open Outlook in safe mode - Microsoft Support

    Type Outlook.exe /safe, and click OK. Tip: If Windows can't find Outlook.exe /safe, try using the full path to Outlook (for example C:\Program Files\Microsoft Office\OfficeXX, where XX is your …

  3. Open Office apps in safe mode on a Windows PC - Microsoft …

    See how to work with Office safe modes to safely use a Office program that has encountered certain problems.

  4. I can’t start Microsoft Outlook or receive the error “Cannot start ...

    Start Outlook in safe mode and disable add-ins How do you know you're working in safe mode? You'll see a label similar to the one below at the top of the screen. The Outlook icon on your …

  5. Classic Outlook not responding, stuck at "Processing," stopped …

    If Outlook stops responding at a screen that says "Processing," you can close Outlook, start it in safe mode, then close it and open it normally to fix the problem.

  6. Troubleshooting Windows unexpected restarts and stop code errors

    Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

  7. Excel not responding, hangs, freezes or stops working

    When you run Excel in safe mode, it bypasses functionality and settings such as alternative startup location, changed toolbars, startup folders used by Excel, Excel add-ins, and most …

  8. Troubleshoot Outlook for Windows issues - Microsoft Support

    Restart new Outlook Right-click Start and select Task Manager. Select Microsoft Outlook, then End task. Check to make sure that new Outlook is closed, then close Task Manager. After new …

  9. How to perform a clean boot in Windows - Microsoft Support

    Describes how to use the clean boot process to troubleshoot a problem in Windows

  10. Troubleshooting blank screens in Windows - Microsoft Support

    2. Boot into Safe Mode (if the screen remains blank) Force shutdown your PC by holding the power button for 10 seconds. Repeat this 2–3 times until Windows enters Recovery Mode. …