The rundll32.exe file runs and distributes various DLL libraries within the memory of the file system. This process is considered a command line application and runs the core functions within the file itself. The file has two versions – a 16-bit and a 32-bit DLL file. Depending on the operating system and the file installation, you will notice either a rundll.exe or a rundll32.exe file on your system. Either one is capable of experiencing similar errors as mentioned here.
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How To Fix The Rundll32.exe Error
Follow these simple steps:
- Place your Windows CD into your CD-ROM drive.
- Click on the Windows icon and type in the search bar.
- Type expand D:\i386\rundll32.ex_ c:\windows\system32\rundll32.exe in the Open box, assuming D is the letter of your CD-ROM drive.
- Restart your computer.