IDE freezes when open project via File->Open

Problem

IDE freezes/hangs/stucks when open project via File->Open (browse projects dialog hangs)

Resolution

Check if one of the steps below can help.

• navigate to Help | Edit Custom Properties, add ide.ui.new.file.chooser=true and restart the IDE (see Redesign file chooser dialog for more details)

• check that security software (antivirus/firewall) ignores IDE folders
• disable all 3rd party plugins

If the problem remains, please Contact support and provide collected thread dumps (use this article)

Workaround

If the Resolution section above doesn't help you, as a temporary workaround, you can drag and drop the project folder from File Explorer into the opened File Chooser dialog to quickly locate this specific directory.

See also: Can't open project in IntelliJ IDEA, it stucks as "loading..."