Your computer may contain a lot of junk files after being used years. This may also come with the reduction of the available disk space of your computer system. You need to clean the system junk files in order to get your computer run faster.

Now, let's learn more information about the file Rundll32.exe. The role of Rundll32.exe is to execute the internal function of DLL files, so that in the processes there is only Rundll32.exe, instead of the DLL backdoor, which allows the DLL files to be hidden. If you find that there are several Rundll32.exe in the system, please don not worry, as this just shows how many DLL files have been initiated.