This question has been asked for years and no one really knows for sure. The answer is possibly not, but it depends on what you are looking to do with them. When using an .dll file in a software application, it is generally safe to assume that the file will be used without any problems. However, there are always potential risks associated with any type of software install, so it is always best to be safe and use the most caution when downloading or using any type of software.