Most rockalldll.dll files are associated with Rockall Heap Manager, which is used by some computer games.
rockalldll.dll Review – How to Fix rockalldll.dll Error
Follow these steps in the order they are listed below to try the simpler solutions first.
Recover rockalldll.dll from Recycle Bin. The simplest possible cause of a "missing" rockalldll.dll file is that you accidentally deleted it.
If you suspect this, but you've already emptied the Recycle Bin, you may be able to recover the file with a free data recovery program.
