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> Support Center > FAQs
Question: The software can't convert the files which are unauthorized on the computer, why?
A: M4V Converter Plus works with the files which are playable on iTunes normally during conversion. As you know, the unauthorized files aren't playable on iTunes, so please make sure the files have been authorized before conversion.
Question: When I run the software, it also runs iTunes automatically, can i quit it by myself?
A: M4V Converter Plus works with iTunes, which needs iTunes to play the files through the whole conversion. You can't quit iTunes, otherwise the conversion will be failed because of the playing interrupted.
Question: Can I use iTunes to do other things during conversion with M4V Converter Plus?
A: I'm afraid please don't do that. M4V converter Plus is using iTunes, if you operate iTunes during converting, the conversion may be failed.
Question: Can I use iTunes to do other things during converting?
A: I'm afraid please don't do that. M4V converter Plus is using iTunes, if you operate iTunes during converting, the conversion may failed.
Question: What to do if I can't find the file in the adding window?
A: You can look through iTunes media folder and drag the DRM protected M4V videos into M4V converter Plus. By the way, please make sure the file has been authorized.
Question: Why some videos in the adding window are gray?
A: M4V converter Plus can only convert DRM protected M4V videos, unsupported file like .MOV, .MP4 will be shielded.
Question: Why some M4V files on iTunes couldn't be added, and they can be played on iTunes?
A: M4V Converter Plus only supports converting DRM protected M4V videos, before adding file, please make sure the M4V file is DRM protected.
Why the iTunes window is black when playing the output videos?
A: You can't use iTunes to play the file properly when M4V Converter Plus is running, please quit it and re-launch iTunes to play the file.
Question: Why the converted videos can't be played on XX?
A: There are a variety of players, we'll do our best to support various output preset so as to play on them successfully.
We suggest users use the common player, like iTunes, QuickTime, Mplayer, VLC temporarily. And if you find some one player which can't play the output videos, please email us (support@m4vconverterplus.com) and tell us the version of it.
Question: Which output format is the best and the most stable?
A: Lossless MP4.
Question: Why the conversion is time-consuming and slow?
A: There are many factors which may affect the conversion speed, such as system configuration, output configuration, high resolution, high bit rate and multi-audio track videos. Please keep patience, and we have been working hard to make it better.
Question: M4V isn't in the output profile, why?
A: M4V is Apple's encrypted format. We provide you MOV and MP4 which are more practical.
Question: An error occurs when converting, and what to do?
A: First, please check out the error code you meet.
Second, if the error occurs again, please email us(support@m4vconverterplus.com ), and we hope that you can send us the detailed information:
More Error code and solutions...
Question: What to do when iTunes or Program crashes?
A: When you got iTunes or the converter crashes, please email our Technical Support, and we hope that you can send us the crash report and the detail information:
Question: What is the difference between trial version and full version?
A: The only difference is that the trial version of M4V Converter Plus for Win can convert only 1 minutes each movie. The full version has no limitations anymore and supports free upgrade all life.
Question: What benefits after registration?
A: First, unlimited use without any time and function restrictions. Second, FREE upgrades to the updated versions of the same product released.
Question: Why I didn't receive the license code for several hours after my purchase?
A: You will receive the confirmation email with license code upon the transaction of your order. Please check your inbox.
If you do not receive confirmation email with license code, please check the spam folder to see if the auto-generated email is marked as spam.
If there is no confirmation email at all, then it must be blocked out by the filter of your email service provider.
If you are under one of the last two situations, please contact our Support Team at support@m4vconverterplus.com to get assistance.
For V4.2.0, why M4V Converter Plus for Win on Win 8.1 is still in trial mode after restarting it with registered?
M4V Converter Plus for Win on Win 8.1 requires to be registered when running with the administrator account. Then the registration will not be lost.
For V4.2.0, how to deal with the messages "Warning! The registry settings used by the iTunes drivers for importing and burning CDs and DVDs are missing. This can happen as a result of installing other CD burning software. Please reinstall iTunes." when running iTunes with M4V Converter Plus for Win?
You can reinstall iTunes firstly. If it doesn't work, you can find solutions according to the following URL. Solutions in English: http://support.apple.com/kb/TS3299