IntelliJ failed to startup after upgrade. It is not responding
已回答
I installed latest IntelliJ IDEA 2026.1 which uninstalled my previous IDE. After installing new IntelliJ IDEA the intelliJ IDEA failed to start up.
It is not responding

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Hi Sakthi,
See if it helps to apply solutions from this guide: SUPPORT-A-58
If it doesn't help, please provide additional diagnostic data as requested in this section.
I uninstalled some of the plugins and upgraded JAVA version in Project structure to JAVA 21 from JAVA 17.
After restart it is fine. I hope some of the plugins might cause this issue.
For now it is working fine and there is no issue in start up.
Thanks