Every time I open My minecraft im there for ten seconds and then the game crashes.

You are using modded and old version of minecraft. Try it without optifine on the newest version.

I have but still doesn't work.

If this still happens in 1.16.5 without OptiFine, please follow the message below.

We do not have enough information to find the cause of this issue.

Please attach the crash report found in [minecraft/crash-reports/crash-<DATE>-client.txt|https://minecrafthopper.net/help/finding-minecraft-data-folder/] here.
If you cannot find a crash report, please attach the full launcher log found in [minecraft/launcher_log.txt|https://minecrafthopper.net/help/guides/getting-minecraft-logs/].

_{This issue is being temporarily closed as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.}

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1. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows.
   Thats what it says and idk what that means