Sppextcomobjpatcher.exe is a Windows 10 process that is involved with the registration key you used to activate your copy of Windows. It's not a nefarious piece of software, so if you see it running in Task Manager, you don't necessarily need to panic that your system has been infected. But if it appears in an anti-malware scan from a tool like Malwarebytes Antimalware, then it may warrant taking a closer look at.
What Is Sppextcomobjpatcher.exe?
Sppextcomobjpatcher in Windows 10 is a part of the Key Management Service (KMS) that's involved in the licensing of Microsoft products. Its most typical usage is in managing your license for Windows 10–unless you use a lot of other Microsoft products that require a key.@tcboncore via Twenty20
That said, sppextcomobhpatcher.exe is most commonly used by cracked or pirated versions of Windows to get around Microsoft's licensing system. There is a chance that if you've come across it, it means your version of Windows is pirated. If you weren't responsible for the installation of Windows on your system, you may want to look into buying and registering a legitimate copy.
Ach5 doesn't condone the use of pirated software and recommends you update your Windows install to a legitimate one. You may be missing out on important updates or security patches that could protect your system.
Should I Delete Sppextcomobjpatcher?
If you're using a legitimate copy of Windows, there's little chance of you coming across sppextcomobjpatcher, but if you do, it might be worth removing it since it's often associated with pirated software. You can do so by running an anti-malware scan (they will almost always pick it up as a keylogger), or remove it manually. It's usually found in one of these locations:C:\Windows\Setup\Scripts\Win32\sppextcomobjpatcher
You can safely delete this file without it damaging your system. If it turns out you were running a pirated version of Windows, however, you may be notified as such when you reboot your system.
If you're deliberately running a pirated version of Windows, then you don't need to delete sppextcomobjpatcher from Windows 10. It won't affect the running of your system day to day.
That said, you're at risk of running a pirated version of Windows. Antivirus detects sppextcomobjpatcher because it's a potential malware intrusion point which may have been used to infect your system at the point of install. The safest way to run Windows 10 is to use a legitimate copy with the latest security and feature patches applied. It isn't expensive, and it could keep you out of a lot of trouble if the pirated copy of the operating system is discovered.