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Previewing Prerendered video causes Vegas Pro 14 to crash

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Terry Hogan
Previewing Prerendered video causes Vegas Pro 14 to crash
on Nov 11, 2017 at 4:57:37 pm

I tried prerendering video for the first time on a project with three video tracks VP 14. One of the tracks had ProRes 10 bit 444 clips from an Ursa mini 4.6 which was bogging down the preview. So I selected all the clips in the three tracks and chose Selectively Prerender Video/Magix ProRes422 3840x2160 29.97p. After about an hour and a half the prerender was finished and the preview was very smooth. But after about a minute of playing the preview, Vegas Pro's crash message appeared indicating VP had stopped working. So I next tried Clean up prerendered video and deleted the inactive prerendered video. The preview played about 3 minutes before crashing again. I tried rebooting my computer but got the same results. My Dynamic Ram setting is 200. I have a fast CPU with 32 GB of RAM and a Nvidia Geoforce GTX 980 video card. Vegas Pro 14 has otherwise been very stable.
Does anyone have any advice on how to get stable previewing of prerendered video?


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Terry Hogan
Re: Previewing Prerendered video causes Vegas Pro 14 to crash
on Nov 11, 2017 at 8:01:36 pm

I now have tried using the Build Dynamic Ram Preview of all three tracks after boosting the Dynamic Ram maximum setting to 10,000 and that previews smooth and stable. But I suppose I will lose the dynamic ram preview when I shut down FP 14 and will have to rebuild it each time I go to do some editing on this project. Any comments regarding Selective prerender vs Build dynamic ram preview would be appreciated.


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Terry Hogan
Re: Previewing Prerendered video causes Vegas Pro 14 to crash
on Nov 13, 2017 at 6:07:35 am

I messaged too soon. Today previewing Build Dynamic Ram Preivew caused VP 14 to crash. So previewing prerendered video by either method causes VP 14 to crash. Could it be that I am trying to prerender too much of the project all at one time and need to just prerender a couple of clips at a time?

i7 5930k 3.5 GHz overclocked to 4.0 Ghz water cooled processor, 32 GB RAM, Nvidia Geoforce GTX 980 4GB RAM, C: drive and render to drive are SSD, project and media drive is WD Black.


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Graham Bernard
Re: Previewing Prerendered video causes Vegas Pro 14 to crash
on Nov 13, 2017 at 8:06:26 am

[Terry Hogan] "Could it be that I am trying to prerender too much of the project all at one time and need to just prerender a couple of clips at a time?"
Check where you have your Prender Folder and how much free space you have on that disc.

* Grazie

Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge


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Terry Hogan
Re: Previewing Prerendered video causes Vegas Pro 14 to crash
on Nov 13, 2017 at 6:14:46 pm

My prerendered files location was set to C:\Users\Terry Hogan\AppData\Local\VEGAS Pro\13.0\ which is on an SSD drive with 751 GB of free storage space. So I have now changed it to C:\Users\Terry Hogan\AppData\Local\VEGAS Pro\14.0\ . I have also changed the file type for the prerendered files to xavc s long. The preview seems to be stable now with no crashes.

i7 5930k 3.5 GHz overclocked to 4.0 Ghz water cooled processor, 32 GB RAM, Nvidia Geoforce GTX 980 4GB RAM, C: drive and render to drive are SSD, project and media drive is WD Black.


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