Runtime is pretty self-explanatory it means that these errors are triggered when Fruity Parametric EQ 2_圆4.dll is attempted to be loaded either when FL Studio is starting up, or in some cases already running. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a 'runtime' error message. Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. FL Studio) could share the same Fruity Parametric EQ 2_圆4.dll file, saving valuable memory allocation, therefore making your computer run more efficiently. These files were created so that multiple programs (eg. Dynamic Link Library files, like Fruity Parametric EQ 2_圆4.dll, are essentially a 'guide book' that stores information and instructions for executable (EXE) files - like mrt.exe - to follow. Fruity Parametric EQ 2_圆4.dll is considered a type of Dynamic Link Library (DLL) file.