Save as a movie in WMM takes incredibly long

At the gotomeeting.com website I organise webinars from time to time. I can record these as wmv-files. However these files are hard to import. Premiere Elements 7 crashed while loading it (and keeps on doing so even after a rigourous uninstall and reinstall, I have simply lost this program). I was unable to convert it with Super and only Windows Media Encoder could handle it. From 120 mb it then increased to 700 mb. I then could edit the file in Windows Moviemaker and ended up with a video during 1 hour. It basically consists of Powerpoint slides and audio. However: saving this as a movie (I intend to upload to Slideshare) takes incredibly long, regardless of what format I choose. It currently stands at 3400 minutes and is still counting. Does anyone have an explanation or a suggestion to prevent this? I do not intend to wait three days for this to finish.
TheoRichelAsked:
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aleghartCommented:
Stop saving the file.  Every time you export the movie file it must render every frame to your specifications.  Start with the original file, make all of your edits & transitions in the project file (whatever software you choose for editing).

The very last step is to export the final movie.  Depending on your specs, compression methods, and the speed of your computer, it could take 1/2 hour for a 2-3 minute spot.
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TheoRichelAuthor Commented:
'Start with the original file'...what makes you think I do not? But the original file refuses to be loaded in WMM so I convert it (with media encoder).

'Stop saving the file'.... after I edited the project file I am supposed to save it as a movie. That is indeed the very last thing to do (what makes you think I do otherwise?). And that is my problem: it takes an incredible amount of time.
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TheoRichelAuthor Commented:
I have solved it myself. The problem was caused by the wmv-file that is produced by Gotomeeting.com as the recording of a webinar. That used an exotic codec apparently. I have tried many converters, but they all failed, apart from Microsofts Expression Encoder 3.0 . That one did the trick.
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TheoRichelAuthor Commented:
I solved the problem myself.
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