There are quite a number of files and extensions that are being used by your computer about which most of the users have very little idea. Some of them are immensely important for the smooth functioning of the system wherein others are trivial in terms of importance. Different operating systems come with different extensions. If any of these extensions get corrupted you might need to scan it to resolve the problems or simply download the updated and appropriate versions for correct functioning. The file extension hqx is one of the common files used by the systems. It was developed by Mackintosh and they also compressed it to reduce the size. In order to install this file to your PC you will need to use certain programs which can be downloaded from the web. Using the internet as resource you can always scan the file extension to find errors if any. The registry scan of the windows will also help in resolving this issue.

Windows Media Video or wmv extension is another important file extension that is required by almost all users. It aids in transferring and handling the videos which is an important part of entertainment on Pc. These files are now used for various applications apart from the regular windows functions. You can create, read and open the WMV files on your computer. In case you have a problem accessing the files, you can always refer to the internet for a free scan which will easily detect the problem with the system. So keep your file extensions clean and functional with regular scanning.