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[MacOS] "Fail to start Unity Package Manager" on external drive because lack of permissions



To reproduce:
1. Install Unity (2018.1.0b11+ or 2018.2.0a7+) on Mac on external drive using Download Assistant.
2. Create a new project or open existing.

Actual result: Editor cannot be opened with an error message "Fail to start Unity Package Manager" (see screenshot attached).

[Package Manager] Server::Start -- Port 61558 was selected
Launching external process: /Applications/Unity 2018.2.0a7/
[Package Manager] Server::Start -- Cannot start server process [path: `/Applications/Unity 2018.2.0a7/`]
[Package Manager] Failed to start Unity Package Manager

Permissions to file:
-rw------- 1 asyasmirnova staff 76224776 Mar 27 02:41 /Volumes/Transcend/Applications/Unity/

Expected result: Editor opens with no issues.

Permissions to file:
-rwxrwxr-x 1 root admin 76224776 Mar 27 02:41 /Applications/Unity/

Workaround: Add execute and read permissions for "" and "" directories. '.

Issue presents since:
2018.1.0b11 and 2018.2.0a7

Comments (3)

  1. mswertfager

    Aug 26, 2018 23:19

    Yup..webroot quarantined my file "upm-macos". Restored...and all worked great.

  2. unwarrantd

    Jul 13, 2018 13:06


  3. unwarrantd

    Jul 13, 2018 13:01

    Did you have webroot installed? It seems to think this file is a backdoor infection. It quarinteens it by blocking execution even if you don’t remove it.

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