File Extension
Good tutorial, this guide is particularly helpful when troubleshooting problems associated with file extensions. Though we can follow this step-by-step process of changing file associations, there's actually a more easy way to do it.
Some errors occur as a result of incorrect information being relayed to or from the Windows registry. It's possible to manually correct them using your above method, but I think it will be a long, arduous and tedious journey every time, especially if there's too much outdated file extensions to repair. As for me, I just use a certain software to automatically do it for me. I got it free from this site that talks about file extension.
