Apple can't check for malicious software

[cprobert]

Describe the bug | 问题描述 App can not be opened. Reason: Apple can't check for malicious software (see screenshot)

To Reproduce | 如何重现 Install on new mac

Expected behavior | 期望结果

Screenshots | 相关截图 https://drive.google.com/file/d/1bvb2cprJVvquIIQekEwfWkZuzOePT4ub/view?usp=sharing

System Info | 系统信息:

• Mouse: [e.g. Logitech MX Master]
• OS: [e.g. iOS] - Big Sur
• Browser [e.g. chrome, safari]
• Version [e.g. v69] - Latest from website
• Application [e.g. Safari, Chrome, Whole System]

Additional context | 额外说明

[jenslys]

Run this in your terminal:

xattr -cr /Applications/Mos.app

[nikhilweee]

@jenslys This works great! But can you elaborate why this works?

[lowell]

The dialog comes up when a file has the com.apple.quarantine extended attribute. The -cr options to attr recursively clears all extended attributes from the specified app bundle.