Vegas Pro uses a portion of system RAM to cache timeline previews for smooth playback.
Ensure you are patching the correct architecture (Vegas Pro 12 is strictly 64-bit). If you manually moved the installation folder, reinstall the base software to its default path ( C:\Program Files\Sony\Vegas Pro 12.0 ) before running the patch. Frequent Crashes Post-Patch sony vegas pro 12 patch
Make Vegas Run Faster! (3 EASY Steps) - VEGAS 16 Tutorial #16 Vegas Pro uses a portion of system RAM
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