Can I run multiple instances of Vegas here on steam? How?

I recently bought Vegas Edit 19. I edit 2 or 3 projects and started to have some issues with the rendered videos. So i uninstalled it and the nightmare begun. I download the program but the folder is almost empty after Steam installs the program (no vegas.exe; image 1 and 2). When i begin the instalation, Steam shows me a weird error that doesnt´happens with other software (image 4) When i execute the program it pop up the same error (image 3). I uninstalled all my games, i uninstalled Steam. Reinstal...

I want to get into editing, and I've looked into Sony Vegas and it seems its subscription based, however, I don't want that. I want to purchase the software and forget but I want to know if there is any difference between buying this vs doing the subscription?...

( Here you can see https://youtu.be/9Bldkcef7LI ) A black window pops on my screen over and over again (its the steam Client) this happening as of this new steam update with the last major Steam client update (this problem was not before) the Render speed will be severely slowed down if this happens in the process The sad thing is that at that moment you can't just restart Steam because the Steam Account is the licens for the product vegas 19 has to be closed for this reboot for this new bugy steam cl...

hello when i lunch vegas 19 it start lunching then nothing happen and it close ,i start to find many solution on youtube but it become worse , now the problem is bigger (error code 2 ) anyone can help me i need it for work and i am stuck