How can issues with internet connectivity lead to Roblox crashing?

Internet issues can cause Roblox to crash by disrupting the real-time data exchange with its servers. High latency, dropped connections, or low bandwidth can lead to data loss, desynchronization, or failed asset loading, ultimately crashing the game. You can fix this issue by using a stable, wired connection and minimizing bandwidth use from other devices.

To know more about why does Microsoft Roblox keep crashing click the link to read the post.

Amazing guide , 

One thing more if you truly want to get rid of connectivity issues and you are on mac, I highly recommend using Appleblox. It works like a wonder for roblox gaming.