Hello friends,

I am having one movie CD with the files extension .dat. Its not running in Windows MEDIA player(older as well as new VERSION), not in Quick time and REALPLAYER. The files are Read only. Its not even copying on the hard disk. But copied to other CD(still read only).

One option I was having that change the extention to .mpg/.mov and run it. But as its not saving the file on hard disk, thus cant change the extension even.

Earlier I was running the same files in the same media player...But now its not ALLOWING ...giving error that "File type/format is not supported".

How can I run these files? How can I change the extension of the files to .mpg or something else as it is read only?

Plz help me asap...

Thanks,

RashmiYou can REMOVE the read-only attribute at the command prompt:

attrib -r filename.ext

or find the file in Windows Explorer, right click, properties, clear the read-only box, click OK.

Changing the extension should be done with the ren command at the prompt. Changing the file extension does not change the file format.

ren oldname.ext newname.newext

Hope this helps.