If this version fails, the developer sometimes recommended a further test version, often named 4.7z sthalik, 2016-09-22. To make this write-up more helpful, could you tell me: What specific error are you getting with the camera?
Extract the contents of the .7z file to a known folder. Run: Open the extracted folder and run opentrack.exe . Cam 3.7z
Based on your request, I have put together a write-up based on the file and its likely context, based on opentrack-2.3.0-test-20160922-test-dialog-3.7z and related directshow troubleshooting. Write-up: Cam 3.7z File: Cam 3.7z (Compressed Archive) If this version fails, the developer sometimes recommended
Attempt to initiate tracking to see if the crash is resolved. Run: Open the extracted folder and run opentrack
Are you trying to use a (e.g., PS3 Eye) or another input device? With that, I can give you more specific steps.
The 3.7z file is a portable build of opentrack, likely aimed at solving DirectShow-related crashes when using specific cameras.
This file was often used for troubleshooting scenarios where webcam tracking, specifically with DirectShow-compatible devices, crashed during initialization sthalik, 2016-09-22. Steps to Use: Download: Download the Cam 3.7z file.