Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Using System File Checker in Windows - Microsoft Support
System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine.
Fix File Explorer if it won't open or start - Microsoft Support
To open File Explorer in Windows 11, select File Explorer on the taskbar or press the Windows logo key + E on your keyboard. Here are some things to try if File Explorer won't open. Check for updates. Restart your device. Reset your PC.
Can't open .EXE files in Windows 7 or Windows Vista
When you run an .exe file on a Windows based computer, the file may start a different program. Resolve issues where you cannot start .EXE files on Windows 7 and Windows Vista.
Repair an Office application - Microsoft Support
If a Microsoft 365 application such as Word or Excel isn’t working correctly, sometimes restarting it will fix the problem. If that doesn’t work, you can try repairing it. When you’re done, you might need to restart your computer. The steps to access the repair tool vary depending on your operating system.
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
Find and open File Explorer - Microsoft Support
Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.
How to use the PC Health Check app - Microsoft Support
Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.
Help in File Explorer - Microsoft Support
How can I open File Explorer and find the Windows 11 features? How can I share files in File Explorer? Where are my documents in Windows? How does OneDrive work in Windows? How can I see hidden files and folders? Learn how to open and navigate File Explorer in Windows.
Set File Explorer to open to This PC instead of Quick Access
By default, File Explorer opens to Quick access. If you’d rather have File Explorer open to This PC, go to the View tab and then select Options. In the Open File Explorer to: list, select This PC, and then select Apply.
Find and open File Explorer - Microsoft Support
File Explorer in Windows 11 helps you get the files you need quickly and easily. To check it out in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard.