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 …
How to use a "clean startup" to determine whether background …
Describes how to start your computer in Safe mode, which uses a minimal set of drivers and startup programs so that you can determine whether a background program is interfering with …
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.
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 …
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 …
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 …
Troubleshooting Windows unexpected restarts and stop code errors
Start your PC in safe mode. If you're having trouble restarting, you can start your PC in safe mode. See Start your PC in safe mode in Windows 11 for details. From safe mode, you can try …
How to perform a clean boot in Windows - Microsoft Support
If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup app or service is causing the problem by systematically turning them …
How to troubleshoot startup problems in Excel 2013
You may need to start Windows in Safe mode or different advanced troubleshooting modes so that you can find and fix the problem. The Windows Startup Settings article can help you with …
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.