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Desktop Capture NDI is Damaged (MacOS) - SOLVED
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Downloaded a fresh copy of NDI Desktop Capture for Mac moments ago, and upon trying to open it I get this message:
“vMixDesktopCapture” is damaged and can’t be opened. You should move it to the Trash.
Running MacOS Sierra 10.12.2 on a MacBook Pro Mid 2014
I've tried downloading a few times and with different browsers to no success. It used to work very well, however I'm out of ideas now. I don't have the old version of desktop capture to use.
Edit:
We've been looking into the problem further, but not wanting to remove or lower any security settings, we have a better solution:
Open Terminal and type
"xattr -rc /PathTo/Application.app"
without the quotes. This should fix the issue. The command is safe, and merely removes all (-c) the extended file attributes recursively (-r) for the app package.
This issue with Gatekeeper has to do with running the new version of NDI Desktop capture after running a previous version. Because changes have been made and the code signatures are the same, Gatekeeper thinks the app is damaged.
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Joined: 1/13/2010(UTC) Posts: 5,228  Location: Gold Coast, Australia Was thanked: 4332 time(s) in 1528 post(s)
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Rank: Member
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Same issue when trying to launch the app downloaded from that link. It would appear something is wrong with the signing of the app's code? Let me know if there is something I can do to help further.
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Joined: 11/9/2014(UTC) Posts: 105  Location: Copenhagen, Denmark Thanks: 22 times
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I just tested it on my MacBook Pro (Retina, mid 2012), running MacOS Sierra 10.12.2 and it works fine for me. I downloaded a fresh copy from vmix.com.
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I'm sure it has something to do with the code signing, I'm assuming the app and libs are not signed with a valid certificate?
When checking the code sign via terminal I get this: vMixDesktopCapture.app: a sealed resource is missing or invalid
Using "codesign -v pathtothe.app"
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Rank: Administration
Groups: Administrators
Joined: 1/13/2010(UTC) Posts: 5,228 Location: Gold Coast, Australia Was thanked: 4332 time(s) in 1528 post(s)
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Rank: Member
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The instructions in that link were how I was opening the app already. The error message still remains as it is a different problem. 
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I get the same error. Can't get it to work.
Please fix ASAP PLEASE :)
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Rank: Administration
Groups: Administrators
Joined: 1/13/2010(UTC) Posts: 5,228 Location: Gold Coast, Australia Was thanked: 4332 time(s) in 1528 post(s)
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We're not sure why this is happening as we have tested on a number of Mac systems and the zip file works fine. There is a different security warning when running it normally, but that is solved by right clicking and selecting Open. As for this error it looks like the download itself is corrupt, so please try the direct download link below. You may need to try a different browser if it keeps failing, we use Chrome on our test Mac machines: http://www.vmix.com/down...desktopcapturemacndi.zipOSX is also up to date on our systems, so make sure you have the latest updates too.
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Problem Solved!!! It seems that in a later version of OS, (around Sept 2016) Apple removed the "Anywhere" button from security and only left App Store and App Store and identified developers. As this app does not fall into those categories, it will always fail on Mac devices with later OS updates. Solution, turn Anywhere back on. Go to terminal and type the following. sudo spctl --master-disable Then go to System Preferences/Security/General and turn on Anywhere. Start the Desktop Capture App and say "Yes" Then go back to Security and increase it to App Store and identified developers. See article http://osxdaily.com/2016...nywhere-macos-gatekeeper
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Rank: Member
Groups: Registered
Joined: 1/6/2014(UTC)
Posts: 12
Location: US
Was thanked: 4 time(s) in 2 post(s)
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We've been looking into the problem further, but not wanting to remove or lower any security settings, we have a better solution:
Open Terminal and type
"xattr -rc /PathTo/Application.app"
without the quotes. This should fix the issue. The command is safe, and merely removes all (-c) the extended file attributes recursively (-r) for the app package.
This issue with Gatekeeper has to do with running the new version of NDI Desktop capture after running a previous version. Because changes have been made and the code signatures are the same, Gatekeeper thinks the app is damaged.
Keep GateKeeper enabled, don't mess with your Mac's security settings.
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Used the solution from mkeding in #10 and it worked well! :)
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