At any given time, there are multiple services running inside svchost.exe. Svchost.exe is a host process that contains running DLLs as services in Windows XP and beyond. Disabling rundll32 will cause your system to become unstable or, worse, prevent Windows from starting up at all. Rundll32 is not the culprit, however, and should never be uninstalled or disabled-it is a critical Windows system process. How do I install Libusb-win32 drivers on Windows?.How do I get rid of HPstatusBL DLL error?.How do you stop programs from running in the background on your computer?.