This bug has been fixed in the 184.108.40.206 version, plese consider updating.
Check the Output folder specified in the Preferences. To do it open up the Preferences and switch to the Audio output tab. Next, specify a different output folder with a write access.
If you are using Ubuntu we recommend you to type the following command in Terminal:
sudo apt-get install ffmpeg libmp3lame0 libavcodec-extra-53
If you are using Windows or Mac OS then uninstall the current version, download the latest version from our site and install it.
Check connection to YouTube.com in the application Preferences. Open Preferences and switch to the Network tab. There is a small indicator which displays connection status to YouTube server. It is located at the bottom left corner. If it's red then something is blocking an internet coonection. Check your firewall and antivirus or specify correct proxy settings.
The content in the clipboard you are trying to paste is incorrect. Maybe you've copied some extra characters and the video link became broken. Try to drag'n'drop the link on the app window instead.
This means that all streams in that video are DRM-protected and unable to be downloaded. You can read more about RTMP protocol and protected streams at Wikipedia.
Probably you have set your output folder to the folder located on external drive/usb stick with NTFS file system. Mac OS X includes only read-only support for NTFS-formatted partitions. You can read more about NTFS at Wikipedia
You can disable multiple connections. To do it open program's preferences. Then switch to "Network" tab. And set "Maximum connections per video" to 1.
By default all files are saved to Downloaded by MediaHuman subfolder of your Music folder. To quickly open the contained folder of the downloaded file, right-click on it and select Locate saved file
Open Preferences, it's located under the åsmall gear icon at the bottom left corner of application window. Next open the Audio output tab and choose desired iTunes options.
This is a normal situation when Boost mode is enabled. It means that the app downloads only audio track skipping the video part. Output audio quality is the same but is saves a lot of traffic and time.
Try to enable safe download mode option in the Preferences->Network. It will reduce amount of connections to YouTube and prevent its ban.
Your playlist is private, so make it public before downloading or setup YouTube Authorization in the application Preferences
If you are using security software from Webroot, when you need to allow our app to access clipboard. To do so open SecureAnywhere -> Identity Protection -> Application protection and click on Allow near youtubetomp3.exe. You can read more in their FAQ.
This is one of those hard to reproduce bugs, but the majority of our users who were affected by this issue have reported that reinstalling iTunes fixes this bug.
First of all, check your "Preferences". Switch to the "Download" tab and check for "Simultaneous downloads" option. Default value is 5, but you can decrease it to minimize CPU usage.
Also, we recommend you to regulary clear the list of completed downloads. Huge list could cause this problem sometimes. To clear the list click on the Broom icon at the bottom left corner of the application window and select Remove completed.
We don't recommend using the previous/old versions, however you can get them on that page