There is a well-known source for the x004zzz.dll file, which may pop up as an error message in some computers. It is none other than Xerox, but that does not mean that this company is creating computer viruses. Rather, the x004zzz.dll is an X004ZZZ belonging to the PrintingScout module from Xerox Co., Ltd. The x004zzz.dll file is not malicious in intent, but it can become a part of an error message due to a variety of factors.
Sometimes, when computer users are installing or deleting programs from their machines, additional files will be accidentally removed (or overwritten) that are needed for important programs to function properly. If this happens, even a legitimate file like something from Xerox can become the cause of an error message, which will hamper the effectiveness of any computer.
In order to remove these error messages, the best course of action includes selecting a trustworthy registry cleaner to complete a registry scan on the computer. The ZookaWare PC Cleaner Company is one of the giants of the industry, offering registry-cleaning services with guaranteed success.