Your game is quarantined. That means it triggered automated measures for some reason. Someone should have looked at it by now. Please contact support.
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At Itch, the recommendation is to upload the games in .zip and never set a password for them.
If you protect them with a password, you make it impossible for them to be reviewed and it can be interpreted as wanting to hide something, for example malware.
There is no documentation or clarity about what triggers a quarantine, precisely so that people with bad intentions cannot cheat the system.