"D3dx943.dll Not Found" and "D3dx943.dll is Missing" errors are usually caused by DirectX problems or also d3dx943.dll missing error happens when the computer overloads with to much data, or when certain system files become missing or broken.You'll most often see d3dx943.dll errors when starting certain video games or advanced graphics programs. br br The d3dx943.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, d3dx943.dll errors usually show up only when using these programs. br br D3dx943.dll file is an important part of Direct3d 9 Extensions package in Microsoft DirectX for Windows. br br D3dx943.dll is required by graphicds programs like video games etc. br br Copy d3dx943.dll file and pasting to the installation directory of the program that is requesting d3dx943.dll. This process works for most of the time and is safe. If this doesnot works, you will have to copy and pasting d3dx943.dll to your system directory. By default, this is: br br br C:\Windows\System in case you are using Windows 9598Me br C:\WINNT\System32 in case you are using Windows NT2000 br C:\Windows\System32 in case you are using Windows XP, Vista, 7 br br If you use a 64-bit version of Windows, then paste d3dx943.dll also in C:\Windows\SysWOW64\ br br Now Reboot your computer. br br If the problem still occurs, try the following: br Open Windows Start menu and select "Run...". br Type CMD and press Enter (or if you use Windows ME, type COMMAND) br Type regsvr32 d3dx943.dll and press Enter. br br If you can't find windows directory try the following: br Open Windows Start menu and select "Run...". br Type CMD and press Enter (or if you use Windows ME, type COMMAND) br Type WINDIR and press Enter. br br Download Links for d3dx943.dll file: br br 1. www.dll-files.comdllindexdll-files.shtml?d3dx943‎ br br 2. www.dllrepair.comdlldownload.phpd3dx943.dlld3dx943.htm‎ br br 3.