Ctor.dll error is a typical Windows error that occurs on the systems of millions of computer users across the world. It is caused when the ctor.dll file gets damaged, corrupt or missing due to problems in the registry, hardware failure or virus or malware attack. When it appears you receive frequent pop up ads on your computer screen even when you are not connected to the internet. The error results in affecting the optimal performance of the system, blue screen errors and loss of critical data. Therefore, ctor.dll error fix is extremely important. The error is caused because of invalid or corrupt entries in the registry, download registry repair software to remove all such entries. You also need to update the drivers on the system because they are also known to cause many errors. For more info visit http://www.ctordllerrorfix.com/