The dsetup.dll file is one of many files contained in the DirectX software collection. Since DirectX is utilized by most Windows-based games and advanced graphics programs, dsetup.dll errors usually show up only when using these programs.
Dsetup.dll Errors
There are several different ways that dsetup.dll errors can show up on your computer. Here are some of the more common ways that you might see dsetup.dll errors.
Dsetup.dll Not FoundThis application failed to start because dsetup.dll was not found. Re-installing the application may fix this problemCannot find [PATH]\dsetup.dllThe file dsetup.dll is missingCannot start [APPLICATION]. A required component is missing: dsetup.dll. Please install [APPLICATION] againUnable to find dsetup.dll
The error message could apply to any program that utilizes Microsoft DirectX, but it’s most commonly seen in video games. You might see this error when the game is first started but it could also display after a game is loaded but right before the game begins. Tree of Savior is one example of a game that’s been known to generate dsetup.dll errors, but there are probably others, too. This error message could apply to any program or system that might utilize the file on any of Microsoft’s operating systems, including Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows 2000.
How to Fix Dsetup.dll Errors
Follow these steps in the order they’re presented here:
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 you suspect that you’ve accidentally deleted dsetup.dll but you’ve already emptied the Recycle Bin, you may be able to recover the file with a free data recovery program. Sometimes, though not often, the DirectX version included on the disc is a better fit for the program than the latest version available online. Also in there, look for two DLL files and copy them into the release/patch/DirectX/ folder, and then open the game from the /release/patch/ folder.
