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. The 64-bit version is %systemroot%\System32\regsvr32.exe.

To resolve this problem, perform the System File Checker scan in safe mode, and make sure that the PendingDeletes and PendingRenames folders exist under %WinDir% \WinSxS\Temp. Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir% \Logs\CBS\CBS.log.

Describes a problem in which a BinaryFormatter object cannot deserialize a generic type when the assembly versions are different between the server and the client.

Learn how to recover files that have been lost, deleted, or accidentally changed.

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

Learn how to recalibrate the thumbsticks on your Xbox controller.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Describes update 4055038, including known issues and how to get the update.

Get Help has troubleshooters for Copilot you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter.