Sppextcomobjpatcher.exe is a process involved in product activation in Windows. It is not approved by Microsoft and is not included with new copies of Windows. This means that it is not a necessary component and can be removed.
osspsvc.exe & SppExtComObj.exe Problem: Windows cannot find
If you have sppextcomobjpatcher.exe on your computer, there is a good chance that your copy of Windows or Microsoft 365 is counterfeit. This tool is used to fake product activation.
You can remove this file with most anti-malware tools. It is easy to activate Windows 10 and Windows 11 properly so that you can avoid piracy and potentially harmful tools like this.
Sppextcomobjpatcher in Windows 10 and Windows 11 is a part of the Key Management Service (KMS) involved in the licensing of Microsoft products. It is most commonly used in managing your Windows license.