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Description of the Windows Registry Checker Tool (Scanreg.exe)
If no backups are available, Windows Registry Checker tries to make repairs to the registry. This is equivalent to running the scanreg /fix command from a command prompt. If the registry contains more than 500 KB of empty data blocks, Windows Registry Checker automatically optimizes it.
Repair an Office application - Microsoft Support
Windows 10 Windows 11. The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu. Select the Microsoft Office product you want to repair and select Modify.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
How to open Registry Editor in Windows 10 - Microsoft Support
There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support. Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 More... If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.
Gaming Services Repair Tool for PC | Xbox Support
Go to Settings. Go to About. Locate the Version number. If your version number is 2311.1001.7.0 or newer (higher), then you are good to go. If your version number is older (lower) than that, then you will need to update your Xbox app for PC with these steps: Launch the Microsoft Store app. Click Library. Click Get Updates.
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages
RegSvr32.exe has the following command-line options: Regsvr32 [/u] [/n] [/i[:cmdline]] <dllname> /u - Unregister server /i - Call DllInstall passing it an optional [cmdline]; when it is used with /u, it calls dll uninstall /n - do not call DllRegisterServer; this option must be used with /i /s – Silent; display no message boxes
Repair apps and programs in Windows - Microsoft Support
Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see Repair an Office application. You can also remove apps or programs. Repair programs in Control Panel.
How to back up and restore the registry in Windows
How to back up and restore the registry in Windows - Microsoft Support. Windows 11 Windows 10 Windows 8.1. Back up the registry manually. Select Start , type regedit.exe in the search box, and then press Enter. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
How to add, modify, or delete registry subkeys and values by using a ...
To make changes to the registry and export your changes to a .reg file, follow these steps: Click Start, click Run, type regedit in the Open box, and then click OK. Locate and then click the subkey that holds the registry item or items that you want to change. Click File, and then click Export.