Download InstallUtilLib.dll DLL file from a collection of libraries and elements onto OCX. Perhaps this file can help you correct the error "library not found InstallUtilLib.dll" which appears as a result of malfunctioning of the Windows operating system or the program.
How to download free installutillib.dll?
Also, this file may be required for software development. When using InstallUtilLib.dll file you should read the copyright to it.