There can be an issue with Homeworld crashing whenever an explosion occurs. A fix for the issue has been identified, which is that the player switch the language of Homeworld (in Steam properties for the game) to something else, and then switch it back to whatever it originally was. This seems to stop the crashing for most people.
Some people have said that doesn’t stop the crashing for them, but one person has said that changing the resolution to a higher one stopped the crashing:
This is surely a simple thing to fix in the code, so it would be neat if the game was made more stable by default from a hotfix addressing this issue.