If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Manually resize your partition by 250 MB. Open a Command Prompt window ( cmd) as admin. To check the WinRE status, run reagentc /info. If the WinRE is installed, there should be a “Windows RE location” with a path to the WinRE directory. An example is, “Windows RE location: [file://%3f/GLOBALROOT/device/harddisk0/partition4/Recovery ...

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.

You see the following error code and message when you try to install an Xbox Game Pass game on your Windows 10 device: 0x80072EFD. Check your internet connection. We couldn't connect you to the service. This may mean that there’s a problem with your network connection.

What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

Learn how to fix error 0x80072EE2 so you can install an Xbox Game Pass game on a Windows 10 device or install the latest update to your Xbox console.

When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system files and registry configuration information (including user account information, protocol bindings, software program settings, and user preferences) once daily.

Check your controller’s firmware. Note: You can also use this link to revert your controller’s firmware on a Windows device. You will need to have the Xbox Accessories app for Windows installed for the Check your controller’s firmware link to work. If you don’t have the app, get it here: Xbox Accessories app.

Adding Registry Subkeys or Adding and Changing Registry Values. To add a registry subkey or add or change a registry value, make the appropriate changes in the registry, and then export the appropriate subkey or subkeys. Exported registry subkeys are automatically saved as .reg files.

Update the device driver. In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver.