Learn about some free software utilities that will help you fix the most common Windows problems. They are all compatible with Windows XP, Vista and Windows 7.Fix Windows Problems with Free ToolsQ1. I am trying to delete a file from my desktop but the computer won’t let me do that. Instead, it throws me an error message saying that the file /folder is in use by another program or user.A: You can either reboot your computer in Safe mode to delete that file or, if you want something more simple, get Unlocker. It’s a free utility that will let you close all the processes that have possibly locked the file and once they are closed, you can then safely delete the file.Q2. I am trying to play a video file on my computer but the media player says that I am missing certain codecs.A: You can...