brandon6976 Posted March 14, 2008 Share Posted March 14, 2008 Hey when I try to copy files to a USB key I always seem to get an error that says "invalid ms-dos function" however if I go to a command prompt and do the copy it'll work fine. I have no idea what is causing this. Anyone else run into this ?? I search this site and google and there appears to be lots of people getting the error but no one seems to know what the solution or even cause is. Link to comment Share on other sites More sharing options...
Mr Snrub Posted March 14, 2008 Share Posted March 14, 2008 Running RTM, and is the USB device FAT-format?This KB article may apply, check the symptoms, cause & workaround sections:http://support.microsoft.com/?kbid=949073 Link to comment Share on other sites More sharing options...
brandon6976 Posted March 14, 2008 Author Share Posted March 14, 2008 odd, the symptoms match however its copying to a NTFS formatted USB key. I will try and install SP1 I guess as it says its relased in a future sp. I will try it and post here the result Link to comment Share on other sites More sharing options...
brandon6976 Posted March 17, 2008 Author Share Posted March 17, 2008 installed Vista Sp1, still get the error. Might try that patch on a test machine just incase it breaks other things lol. Link to comment Share on other sites More sharing options...
brandon6976 Posted March 17, 2008 Author Share Posted March 17, 2008 I'm actually kinda shocked. That MS article actually fixes it the issue. SP1 for vista doesn't though. So anyone who having the same issue give the patch a shot. Link to comment Share on other sites More sharing options...
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