12:25:33.612
Preparing to launch minecraft client for 1.17.1
12:25:46.835
Checking installations.
12:25:46.837
Minecraft client 1.17.1 is ready to start.
12:25:46.837
Starting!
12:25:47.627
Using default game log configuration client-1.12.xml (outputs XML)
12:25:49.694
Unrecognized VM option 'UseConcMarkSweepGC'
12:25:49.694
Process crashed with exit code 1
MC-233497
Unrecognized VM option 'UseConcMarkSweepGC'
Resolved
Invalid
0
This report is invalid as this isn't something that the bug tracker can help with. Please follow the instructions provided in this comment and if that doesn't resolve the issue, please approach community support.