Setup.dll Errors
There are several ways setup.dll errors can show up on your computer. Here are some of the more common ways you might see them:
Setup.dll Not FoundThis application failed to start because setup.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\setup.dllThe file setup.dll is missing.Missing resource setup.dllCannot start [APPLICATION]. A required component is missing: setup.dll. Please install [APPLICATION] again.
The setup.dll file can be used to run specific commands before and/or after a program installation or uninstallation, so these error messages might appear during those times or 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. Some instances of setup.dll are associated with InstallShield. See which versions of the program use this file at InstallShield Redistributable Files.
How to Fix Setup.dll Errors
Need More Help?
If you’re not interested in fixing this problem yourself, see How Do I Get My Computer Fixed? 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 this is your situation, but you’ve already emptied the Recycle Bin, you might be able to recover setup.dll with a free file recovery program. Many service packs and other patches replace or update some of the hundreds of Microsoft distributed DLL files on your computer. The setup.dll file could be included in one of those updates, but even if it isn’t, it might rely on a missing update that can be installed through Windows Update. If the hardware fails any of your tests, replace the memory or replace the hard drive as soon as possible.