In your Windows operating system, you may see some DLL files that are responsible for the proper functioning of some applications that are associated with them. But it is also a fact that due to the missing or corruption or removal of these DLL files, you may get very critical error messages on your computer screen. You may get Rockalldll.dll is missing error in Windows in some cases. It is a very annoying error issue that should be rectified as soon as possible otherwise it will crash your computer or damaged the computer data very badly. The problem should be resolved using manual or automatic solution. You can download Advanced System Repair tool in your computer to fix the problem automatically.