If your job is dealing with computer, files are very important when it comes to saving them in different file formats. You need to be little bit careful while managing the files. A lot of registry errors occur when you delete a piece of software and it was the default editor for something else on your computer. You computer does not automatically reassign it so when you try to use it, the program does not work.

Then I try to search information about file extension, I found a good site that helps you in solving the problems related to your files. Computerfileextensions.com provides good advice relate to file extensions.  There is also a free scan that is available in the site that tells you the problems found in the registry and you can also download it to your system. Well, this is the best place to fix your errors regarding files. You can fix the problem and be back at work in no time!