How to fix DSETUP.dll missing or not found error
DSETUP.dll is responsible for smooth communication of DirectX with audio and video cards in your Windows PC. This dll file is an important dll contained in Microsoft DirectX device drivers to help run 'heavy' multimedia and 3D applications. For instance, the popular 3D game EverQuest is a massively multiplayer online role-playing game (MMORPG) and uses dsetup.dll file along with similar game, like L2tower, Lineage2 and High Five.
What causes DSETUP.dll missing error?
There are many signs of fatal DLL Errors, most of which are seen at system start up or shut down or after installing a new program, throwing missing dll file or not found errors. The most common reasons for a dsetup dll error on your PC screen are:
1. Graphics card is outdated / corrupt or the audio driver is incompatible.
2. DLL file is corrupt, missing, or incompatible – the file may be damaged by a virus infection or deleted by the PC user.
3. Dll problems are often linked to a huge number of invalid, unused junk files and folders, clogging up the windows registry.
4. Sometimes a hardware failure or breakdown can cause dll errors. If all else fails it is a good idea to troubleshoot your CPU and external hard disks.
PC users who frequently run multimedia programs complain the most about having DSETUP DLL Errors. For example when you try to open a PC game, you may see the error: "The program can't start because Dsetup.dll is missing from your computer. Try reinstalling the program to fix this problem." Sometimes this works, but reinstalling hardly ever repairs the source of the problem.
How to fix the DSETUP.dll missing error?
If you are receiving a Dsetup.dll missing everquest, L2tower, Lineage2 or High Five error, the first thing you should do is detect and update a likely outdated video or audio driver. You can manually try to fix the error by downloading the Drivers Diagnostics tool from Microsoft. Also run a full scan of each driver and read the report generated. Then replace those dll files that are reported as invalid or deleted with the latest compatible (official) versions. Reboot your PC normally. If you still get the error, you may choose to download and install the latest DirectX installation from Microsoft instead.
DLL is a huge library of data files vital for the normal functioning of operating systems, such as Windows 7, 8, XP and Vista for both 32 bits and 64 bits. Manually installing drivers that do not match your hardware or OS 100% is risky as it can do permanent damage to your computer. Unless you are a PC professional, we do not recommend you fix the error by yourself. If you do attempt to manually fix it, but your dsetup.dll missing EverQuest error still appears, or you see a new .dll error it is best to use a reliable and easy dll fix tool. To easily help you get to the root of your DLL Error and fix it for good, download DLL Suite.