I've used this product several times, and now it just crashes upon launch with an exception (unhandled) error and screen to send error report to SonyCreative. The report does not show much helpful information.
However, your request does also not really show much helpful information.
Use this as a roadmap, and start at B and C:
https://www.vegascreativesoftware.info/de/forum/important-information-required-to-help-you--110457/
By the way:
Vegas Pro has been taken over by Magix since version 14 - and that was many years ago now. We currently have version 18 and 19 is in the starting blocks.
Here is more details on the environment Vegas Pro 13.0 Build: 453 64 bit, is running on:
PC i5-3570 3.40 Ghz, 8 GB Ram, Intel HD Graphics 4000
Windows 7 Pro x 64, SP1,
System drive 180GB, 38 GB free.
Project Storage (D:) : 500GB
Error message: Unmanaged Exception (Splash screen - initializing GPU).
Extra Information
File: C:\Users\FV\AppData\Local\Sony\Vegas Pro\13.0\dx_video_grovel_x64.log
File: C:\Users\FV\AppData\Local\Sony\Vegas Pro\13.0\svfx_video_grovel_x64.log
File: C:\Users\FV\AppData\Local\Sony\Vegas Pro\13.0\ocio_x64.log
File: C:\Users\FV\AppData\Local\Sony\Vegas Pro\13.0\dx_grovel_x64.log
File: C:\Users\FV\AppData\Local\Sony\Vegas Pro\13.0\gpu_video_x64.log
Problem Description
Application Name: Vegas Pro
Application Version: Version 13.0 (Build 453) 64-bit
Problem: Unmanaged Exception (0xc0000005)
Fault Module: C:\Windows\system32\ig7icd64.dll
Fault Address: 0x000007FED6FB33CA
Fault Offset: 0x00000000001733CA
Fault Process Details
Process Path: C:\Program Files\Sony\Vegas Pro 13.0\vegas130.exe
Process Version: Version 13.0 (Build 453) 64-bit
Process Description: Vegas Pro
Process Image Date: 2015-06-05 (Fri Jun 05) 23:53:04
It's an Intel graphics driver problem. You will need to explore an update compatible with your outdated operating system and Intel HD 4000.