You have a Windows error "AppHangB1".
For the best experience, it is recommended that players update their drivers to their most recent versions, and accept any Windows updates that have yet to be applied before accessing Destiny 2 on PC.
Here is some information which may help:
[quote]- Try disabling or not running any GPU utilities such as MSI Afterburner or EVGA Precision.
- Setting Destiny 2 and Steam to "Run as Administrator".
- Setting an exception to your antivirus and removing Windows Firewall.
- [b][url=https://appuals.com/apphangb1-error/]Here is an article[/url][/b] which shows steps that might help you.
- You may also want to update your OS and drivers.[/quote]
If the above do not help, turn off your nvidia shader cache and try to play.