Yes. The error only appears when a program tries to call the DLL. Uninstall that program, and the error disappears.
Before attempting to download the DLL file from the internet (which is risky), try these standard fixes. Isarcextract.dll File Download
If you find yourself needing isarcextract.dll (say, you’re extracting assets from an old shareware CD or salvaging a corrupted installer), Isarcextract.dll File Download