Shut down (turn off) your PC - Microsoft Support
Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down. I'm having trouble opening the Start menu. Shut down (turn off) your PC.
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages
Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows.
Turn off, disable, or uninstall OneDrive - Microsoft Support
Windows 10/11. Select the OneDrive cloud in your notification area to show the OneDrive pop-up. Select the OneDrive Help and Settings icon then select Settings. Go to the Account tab. Select Unlink this PC. macOS. Click the OneDrive cloud icon up in your Menu bar, click the three dots to open the menu, and select Preferences. Go to the Account tab.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Shut down, sleep, or hibernate your PC - Microsoft Support
There are many ways to shut down your PC—you can turn the PC off completely, you can make it sleep, or you can hibernate the PC. Windows 11 Windows 10 Windows 8.1 Windows 7. Turn your PC off completely. To shut down, select Start and then select Power > Shut down.
Keyboard shortcuts in Windows - Microsoft Support
Learn how to navigate Windows using keyboard shortcuts. Explore a full list of taskbar, command prompt, and general Windows shortcuts.
Outlook crashes or stops responding when used with Office 365
Exit Outlook. Press the Windows logo key + R to open a Run dialog box. Enter Outlook /safe, choose a profile if prompted, and then select OK. If Outlook doesn't crash or hang, continue by selecting File > Options > Add-Ins. At the bottom of the window, select COM Add-ins and then select Go.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Open Office apps in safe mode on a Windows PC - Microsoft Support
How to start Office for Windows applications in Office Safe Mode. Use one of these methods to start an Office application in Office Safe Mode on a Windows PC: Press and hold the CTRL key to open an Office application. Use the /safe option to open an Office application.
Applies To:
Office 2021, Office 2019, Office 2016, Office 2013
Turn Windows Security on or off - Microsoft Support
Open Windows Security settings. Windows Security is pre-installed on Windows 10 and ready for you to use at any time.
Use the System File Checker tool to repair missing or corrupted system ...
To do this, follow these steps: Open an elevated command prompt. To do this, do the following as your appropriate: If you are running Windows 10, Windows 8.1 or Windows 8, first run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.