After upgrading to VP 18 back in August it was unusable from locking up and crashing all the time. I got the new fixed version a few days ago and tried this simple experiment:
1. I took 200 JPGs and dropped them on the timeline. Most of them were around 2,000 x 2,000px. Some were as big as 3,000 x 4,000 px. No crops, no pans, no transitions, no cross fades, no audio, no fx; just dragged and dropped them on the timeline. I have used all the JPGs in other projects in VP 17 with no problems.
I rendered it out with MAGIX AVC/AAC MP4 Internet HD 1080p 29.97 fps. It rendered out with no problems and did it in record time. Great.
2. On the timeline layer fx I put color curves with just a little more contrast and used the same render settings. It started rendering and then locked up and stopped responding. I had to Ctrl/Alt/Delete to get out of it. I tried it several times -- no go.
My system is;
Ryzen Threadripper 1950x 16 Core 3.5GHZ
EVGA GeForce GTX 1080 Ti (I updated the driver a couple of weeks ago)
Windows 10 version1903
Any help will be appreciated.