Strange folders in the Windows directory

Have you ever noticed some strange looking folders in your Windows directory? Possibly with names like $MSI31Uninstall_KB893803v2$ ? You are probably among milions of people that have the same question. Fortunately you will be pleased to know that this is not spyware, adware, malware or a virus. In fact these are simply installation records of your Windows update files. It's best to leave these folders as they are incase you need to rollback some of these updates. All in all these files are not harmful at all and function to run your computer!