Vegas works perfectly with WMV and so on, but when I try to add an MP4 file it crash with the error:

Problem Description
   Application Name:    VEGAS Pro
   Application Version: Version 14.0 (Build 161) 64-bit
   Problem:             Unmanaged Exception (0xc0000005)
   Fault Module:        C:\Program Files\VEGAS\VEGAS Pro 14.0\FileIO Plug-Ins\compoundplug\compoundplug.dll
   Fault Address:       0x00007FFFCBBAA1C0
   Fault Offset:        0x000000000022A1C0

Fault Process Details
   Process Path:        C:\Program Files\VEGAS\VEGAS Pro 14.0\vegas140.exe
   Process Version:     Version 14.0 (Build 161) 64-bit
   Process Description: VEGAS Pro
 

What can I do?

(OFFTOPIC) VEGAS 15 will be released in this month?

Thank u all!