It crashes at the very start. I also tried running as administrator.
I already uninstalled and reinstalled Movie Studio 15 and reinstalled DX3D via this guide.
Screenshot
https://www.dropbox.com/s/7vpiu2k4olswvaz/screenshot%20for%20vegas%20forum%20crash%20report.png?dl=0
Error Report from Movie Studio 15
Problem Description
Application Name: Movie Studio
Application Version: Version 15.0 (Build 146)
Problem: Unmanaged Exception (0xc000001d)
Fault Module: C:\Windows\System32\d3d9.dll
Fault Address: 0x00007FFEE004CD21
Fault Offset: 0x00000000000ACD21
Fault Process Details
Process Path: C:\Program Files\VEGAS\Movie Studio 15.0\MovieStudioHD150.exe
Process Version: Version 15.0 (Build 146)
Process Description: Movie Studio
Process Image Date: 2018-11-01 (Thu Nov 01) 21:07:22
System Specs
CPU: 5Ghz 9900K (200mhz AVX offset) (passes 24-hour stress test and lengthy AVX stress test)
OS: Win 10 Pro
MB: Gigabyte Z390 AORUS PRO-CF (U3E1)
RAM: G.Skill 32GB DDR4 3200 14-14-14-34 2T
GPU 980TI 1450MHz (never crashes)
SSD: Samsung 970 EVO Plus 1TB
Displays: PG279Q/U2412M/P2715Q
NIC: Intel X520-1