Sorry, it's Vegas Pro 16.0 build 424
no message, just a loading circle after selecting say 5 clips and hitting open, sometimes it just crashes to desktop with no Problem Report, and other times the Report window pops up. here is the information from the Report window
 

Problem Description
   Application Name:    VEGAS Pro
   Application Version: Version 16.0 (Build 424)
   Problem:             Unmanaged Exception (0xc0000005)
   Fault Module:        C:\WINDOWS\SYSTEM32\ntdll.dll
   Fault Address:       0x00007FFF2165E414
   Fault Offset:        0x000000000002E414

Fault Process Details
   Process Path:        D:\Program Files\Sony Vegas Pro\vegas160.exe
   Process Version:     Version 16.0 (Build 424)
   Process Description: VEGAS Pro
   Process Image Date:  2019-04-18 (Thu Apr 18) 07:45:24

Okay, so since it's not 19, what exactly is the media then? Do just 1 of these files import without issue?

They are .mp4 files. We have a security camera that records footage in 1-minute increments, so in order to merge 1 hours worth of video, its 60 files.
I wanted to import all of them at once rather than 1-2 at a time, I'd be doing it all night lol.

Yes, 1 or 2 can be imported without issue

The Fault Process Details shows that Vegas Pro 16 has been installed on the D drive, not the C drive. Over the years, some who have installed Vegas Pro on a drive other than the C drive have encountered various problems.

Further, the directory under Program Files is named Sony Vegas Pro. This seems out of the ordinary as Vegas Pro 14 and onwards typically install under Program Files\VEGAS\VEGAS Pro xx.0 (where 'xx' is the version number). I wonder if this 'unique' directory path is causing problems for the program.

Interesting. I can try and reinstall using default settings.
Edit: Unfortunately, that didn't work. Default install and it still crashes. =(

Try a reset, too https://www.vegascreativesoftware.info/us/forum/faq-how-can-i-reset-vegas-pro-to-default-settings--104646/

May be a media issue, though.

I tried doing the reset, and that unfortunately didn't work.
I also tried downloading Handbreak and that worked. got all 60 to import at once, after processing it in Handbreak. a little extra time, but at least it can be done in the background without my micromanaging it =)

I appreciate all the help! Thank you!

 

They are .mp4 files. We have a security camera that records footage in 1-minute increments, so in order to merge 1 hours worth of video, its 60 files.
I wanted to import all of them at once rather than 1-2 at a time, I'd be doing it all night lol.

Yes, 1 or 2 can be imported without issue

@No_Smoking Hi, MP4 is a container, it includes different bits of info, so just out of curiosity as @RogerS mentioned can you post the MediaInfo of one of those files (presuming they're all the same)

MediaInfo, download it, it's free https://mediaarea.net/en/MediaInfo
After downloading, right click on the media in your Windows folder, open MediaInfo, choose Text from the View option, select all, copy & paste in a comment here,

Sure thing. Here it is.
General
Complete name                            : D:\Backups\record\20220320\16\00.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom (isom/iso2/avc1/mp41)
File size                                : 7.41 MiB
Duration                                 : 1 min 0 s
Overall bit rate mode                    : Variable
Overall bit rate                         : 1 036 kb/s
Writing application                      : Lavf57.25.100

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L4.1
Format settings                          : CABAC / 1 Ref Frames
Format settings, CABAC                   : Yes
Format settings, Reference frames        : 1 frame
Format settings, GOP                     : M=1, N=40
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 1 min 0 s
Bit rate mode                            : Variable
Bit rate                                 : 905 kb/s
Maximum bit rate                         : 1 920 kb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 20.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.022
Stream size                              : 6.48 MiB (87%)
Color range                              : Limited
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709
Codec configuration box                  : avcC

Audio
ID                                       : 2
Format                                   : ADPCM
Format profile                           : A-Law
Codec ID                                 : alaw
Duration                                 : 1 min 0 s
Bit rate mode                            : Constant
Bit rate                                 : 128 kb/s
Channel layout                           : C
Stream size                              : 938 KiB (12%)
Default                                  : Yes
Alternate group                          : 1
 

@No_Smoking  ... Thank you for posting the MediaInfo report. The first thing I noticed was that the codec ID is 'isom (isom/iso2/avc1/mp4)'. There was another post on the forum earlier this month about difficulties with isom media in Vegas Pro: https://www.vegascreativesoftware.info/us/forum/exported-project-archive-media-imports-but-timeline-events-blank--134498/#ca838958

Please have a look at my comment on that post re what I have found out about isom media.

This probably goes further to support previous opinions on the forum that security camera video can be a problem. I am happy to hear that transcoding via HandBrake has proven to be successful for you.

Unusual file. Very low bitrate and 20fps.

It is from a Wyze v3 cam

@EricLNZ Could that be because it's a security camera recording hrs of footage to keep file size down, ?

@Former user Presumably. But anyway the problem is solved for No_Smoking.

Can you boot into Safe Mode?

Try rewraping your files, copying the video while re-encoding the audio using Shutter Encoder. If you confirm it works you can paste in all your files from that device and make them compatible all at once

Try rewraping your files, copying the video while re-encoding the audio using Shutter Encoder

The OP has already successfuly transcoded (rewrapped) the video media as a batch job in HandBrake. Ii would useful to know if there any substantial advantage of using Shutter Encoder instead of HandBrake?

@Dexcon Wouldn't he have re-encoded the video portion if he was using Handbrake?

This is copying the video, and re-encoding the audio only. If that is not successful then a full re-encode necessary I don't like re-encoding anything where possible for quality and time reasons

Wouldn't he have re-encoded the video portion if he was using Handbrake?

@Former user  ... yes, the video would have been transcoded, but that is because it was the video that needed to be transcoded as the original video is an unusual codec (isom) and has caused problems before as covered in the link in my earlier comment from about 5 hours ago.

@Dexcon Not necessarily, it may just need to be rewrapped with legal audio but if @No_Smoking never tries we'll never know.. There was an example yesterday of Vegas not loading video file due to it containing mp3 audio. There was nothing wrong with the video component.

Here's an example of a file with Codec ID isom (isom/iso2/avc1/mp41) that plays fine in Vegas, so the information you base your conclusion on is not correct. Correlation is not causation. https://joinbox.github.io/dash-video/video/sample_video_1080p_3000k.mp4

My Eufy security cameras have the same codec ID as does my OBS encoded AVC files. They play fine in Vegas. The previous case you mention may not require any transcoding, 7 AAC tracks in an Mp4 container doesn't sound legal, in that example the solution may have been to rewrap to .MOV, and nothing else . Full video transcodes should be done only when necessary

@Former user Butterfly got squished 😢