Once you are done uninstalling a program, you need to check for leftover files in %programfiles% and %appdata%. Simply put these values into the search bar to open the folder. Then if you find any folder named the program you uninstalled, then delete it too. In addition to that, you should also check the Windows registry. So go to Windows search and type down regedit, and press enter. Go to the SOFTWARE key on each path: HKEY_CURRENT_USER HKEY_LOCAL_MACHINE HKEY_USERS.DEFAULT Look for a key named the program you have uninstalled, then delete it, and you are good to go. However, always take a backup of the registry before editing it for anything.