<!-- from fixya rte -->Any video converter says analyzing failed - Any-Video-Converter Any Video Converter Professional

Failing HC and CO means the fuel mixture is too rich.
You may need a 4 gas analyzer to figure out why to know when it is fixed. Could be a leaking injector, restricted air intake, ignition problem, or a long list of other things. Even a faulty thermostat could cause it to run rich.

Source: How to Convert YouTube to MP3 on Mac with High Quality

Step 1. Install Cisdem Video Converter on your Mac.

Step 2. Go to the second interface for YouTube downloading. Just copy the URL from YouTube and paste on the below blanks. Then Video Converter for Mac will analyze automatically.

Step 3. Click download button to download videos.

Step 4.Switch to the first interface for video conversion and drag-n-drop the downloaded YouTube videos to it.

Step 5. Click the format icon , to choose General Audio > MP3 as output format.

I doesn't use the tool, instead I'm using the Kvisoft swf to video converter. I've used it several times already and it works in Flash to video conversion.

You can have a look at this video converter.It is an all-in-one video converter which can help you convert the files you have to the one you want.
i have used it for long,and hope it will be hopeful for you,
http://www.leawo.com/leawo-video-converter/

I don't know where to get FLV codec, but I know when I installed Leawo Free FLV Converter, I can watch FLV video with Windows Media Player. On the other hand, I also can convert all of my videos to a lots of video format.

you need to change another kind of converter.
i often use Video Download Studio as my converter.
it worked very well ,
have a free trial from http://www.downloadvideos-convert.com/download-videos-music
hope it can help you more or less.

AVCHD video Converter can play, edit and convert AVCHD files(.mts, .m2ts) simply by importing the footage from hard drive, the powerful codec pack designed within the program will then automatically analyze AVCHD format then transcode them to your delivery formats. All the process can be done within minimum time at fast speed, while original video quality is kept.

AVCHD video converter enables you to convert AVCHD to friendly video formats like avi, mpg, wmv, mp4, mov, flv, asf, rm so that you can easily work on them with Windows Movie Maker or Windows Media Player.

you can ask for technical support from video converter company. or u can try this one.
http://www.flip-converter.com/

change another converter to see weather it will help.
If you have any difficulties in search, download or convert video/audio,
You may try this powerful and easy-to-use video/audio converter.
Video Sharer can help you convert video/audio, my friends recommend it to me, and it’s easy to use and works pretty well for me.
With it you can:
1: search videos and free music from popular online social media websites like YouTube, Dailymotion, and many others.
2: download music and videos that your are searching for
3: convert these videos/ audios to any format as you like.
you can find it here: http://www.asharer.com

break up movie into smaller files