In some cases, these errors could indicate a registry problem, a virus or malware issue, or even a hardware failure. This DLL file name stands for IP helper application programming interface. You can read more about the IP Helper technology on Microsoft’s website.

Iphlpapi.dll Errors

There are several ways iphlpapi.dll errors can show up on your computer. Here are some of the more common ones:

Iphlpapi.dll Not FoundThis application failed to start because iphlpapi.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\iphlpapi.dllIphlpapi.dll Cannot StartThe file iphlpapi.dll is missing.Cannot start [APPLICATION]. A required component is missing: iphlpapi.dll. Please install [APPLICATION] again.

Iphlpapi.dll error messages might appear while using or installing certain programs, when Windows starts or shuts down, or maybe even during a Windows installation. The context of the error is an important piece of information that will be helpful while solving the problem.

How to Fix Iphlpapi.dll Errors

Need More Help?

If you’re not interested in fixing this problem yourself, see my How Do I Get My Computer Fixed? piece for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a lot more. If you suspect that you’ve accidentally deleted the file, but you’ve already emptied the Recycle Bin, you may be able to recover it with a free file recovery program. To do this, go into the installation folder for the game and rename the file to something else, like iphlpapi_old.dll. This will stop the game from using that specific DLL file; it will instead revert to a newer version included with Windows. If the hardware fails any of your tests, replace the memory or replace the hard drive as soon as possible.