Vanilla launcher, MultiMC, Lunar Client, Badlion Client, and Feather Client each handle memory, rendering, and mod loading uniquely. A tool that injects into one may crash another completely.
If you are looking for ways to manage your Minecraft worlds without the risks of unofficial software, here is the "helpful story" on what the real tool does and how to use it safely. Why Avoid "Cracked" Versions? Security Risks universal minecraft tool cracked top