Home / invalid ms dos function fix Invalid ms dos function fix 01/04/2021 I have actually Windows 7 COMPUTER. When copying a movie file (mp4) from a DVD to my PC"s hard drive, in Windows Explorer, I"m obtaining the error: Invalid MS-DOS function.You watching: Invalid ms dos function fixThe error message pops up, I cancel out, and also the file is not replicated at all. I have actually many type of various other mp4 records on the DVD (I tradition ripped it), which copied simply fine.What does it mean? How have the right to it be resolved?UpdateOk, it appears the file might be corrupt at the finish of the movie file, as it reasons VLC to hang and also crash. As you shown that it is more than likely corrupt, that is great.Usually it happens bereason the DVD is copy protected. Tbelow may be software program that bypasses that, but it is doubtful someone would obtain that type of help below as it is frowned upon. I additionally obtained the "Invalid MS-DOS Function" error while copying papers, yet under a different circumstance: Windows 7, copying records from an SMB share on an Mac OS X Lion machine.(This will not use to you, however this is the only Super User question referencing "Invalid MS-DOS Function", so I point out it just in really hopes of helping someone else!)On the Mac, I opened a Terminal and ran ls -al in the affected brochure, and noticed this:drwxr-xr-x note is vital -- it suggests that the file/folder has Extfinished Attributes.This was the only folder I was having trouble copying; I checked all the other papers and folders that duplicated effectively and also found that they lacked extended qualities.Running ls -al 4 Blair staff 136 18 Jan 21:52 Stuff com.apple.quarantine 48This is the quarantine attribute provided by the OS to mark papers downloaded from the internet as "perhaps unsafe".See more: How To Fix Ps4 Error Ce 37813 2, Ps4 Error CeBelieving the attribute to be playing foul through Windows, I chose to rerelocate it. This answer shows how:xattr -dr com.apple.quarantine StuffI returned to the Windows machine and started copying the folder aget -- it functioned without a trouble. Absolutely the specific difficulty I had actually. Spot on, to alert the quarantine xattr. Great post! +1! –user16511 May 2 "12 at 15:55 You have the right to delete the from by openning command also prompt (windows start->cmd, click enter)then run:del ? Though, I kbrand-new this was an old or probably a addressed problem but below is my addition to the solution.Click Start, type regmodify in the Start Search box, and also then push ENTERLocate and then click the adhering to regisattempt subkey: HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsSystemOn the Edit food selection, point to New, and also then click DWORD Value.Type CopyFileBufferedSynchronousIo to name the new entry, and also then press ENTER.Right-click CopyFileBufferedSynchronousIo, and then click Modify.In the Value data box, kind 1, and then click OK.Exit Regisattempt Editor.Then copy. Share Improve this answer Follow answered Jan 25 "13 at 22:45 JoberrorJoberror 12122 bronze badges Add a comment | 2I am late to this, however if someone is still trying to find a solution:Copy command also from the command also prompt functioned for me. Share Improve this answer Follow answered Dec 31 "13 at 4:59 GautamGautam 2111 bronze badge 1 Add a comment | Your Answer Thanks for contributing a response to Super User!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for assist, clarification, or responding to other answers.Making statements based upon opinion; ago them up via recommendations or personal experience.To learn even more, watch our tips on creating great answers.See more: Cartridge Reader/Jack Plug Nintendo Switch Game Card Reader Replacement Draft savedDraft discarded Sign up or log in Sign up making use of Google Sign up making use of Facebook Sign up making use of Email and also Password Submit Article as a guest Name Email Required, yet never shown Article as a guest Name Email Required, however never shown Message Your Answer Discard By clicking “Message Your Answer”, you agree to our regards to organization, privacy plan and cookie policy Not the answer you're looking for? Browse other concerns tagged windows-7 dvd file-transport or ask your very own question. The Overcirculation Blog Featured on Meta Linked100What need to I execute around com.apple.quarantine? Related 0 Trouble with Microsoft's Windows 7 DVD/ISO USB Tool 1 How to watch a DVD from only documents off the DVD 8 Windows Explorer crashes whenever I watch a folder with an MP4 (H.264) video file in 'Large Icons' check out (reflects thumbnails) 2 Windows 7 crash while attempting to relocate files after closing 1 Can't copy video from DVD 0 Ripping DVD's for iTunes and 5.1 sound 4 Analyze corrupt .mpg movie, then repair Hot Netoccupational Questions even more warm concerns Concern feed Subscribe to RSS Concern feed To subscribe to this RSS feed, copy and paste this URL right into your RSS reader. Super User Company kind of Stack Exreadjust Netoccupational site architecture / logo © 2021 Stack Exadjust Inc; user contributions licensed under cc by-sa. rev2021.4.1.38970 Super User works ideal through JavaScript enabled Your privacy By clicking “Accept all cookies”, you agree Stack Exadjust have the right to keep cookies on your gadget and also discshed information in accordance through our Cookie Policy.