Mac OS forum


Systemversion.plist - disabled many programs

by HawkGotEm / January 3, 2018 12:26 PM PST

Hello friends,

My situation:

I edited the systemversion.plist file in core services on MAC in order to run an update for pro tools software, now many of my programs are not recognized. I edited the plist back to original OS version I am running, but still programs Are not recognized. Including time machine.

Cannot backup as result, do not have original install disk

Running os x Sierra 10 13 2

Included text shows current status of systemversion.plist file, which I edited back to reflect my current OS high Sierra

Previously changed system version to 10.9 so Protools update could run

Anyone know wth is going on? Lol

I would definitely Appreciate your help
Tim LittleHawk Blanchette

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "">

<plist version="1.0">
<string>1983-2017 Apple Inc.</string>
<string>Mac OS X</string>

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Clarification Request
Also enabled/disabled ...
by HawkGotEm / January 3, 2018 12:41 PM PST

Upon startup, entered recovery mode, and changed from default setting I forget whether I enabled or disabled this function...

Utilities - terminal
Sync; reboot

Then I edited the systemversion.plist
Then I attempted to install the pro tools

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Just an idea.
by R. Proffitt Forum moderator / January 3, 2018 12:47 PM PST

Never do that. And try another user account. I've seen stuff like this royally mess up the OS.

My only idea is another user account.

Protools looked to have a version for Sierra but I did find discussions about this edit. Sounds like a mess.

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User account
by HawkGotEm / January 3, 2018 1:39 PM PST
In reply to: Just an idea.

Does that mean I would lose everything?

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Not yet.
by R. Proffitt Forum moderator / January 3, 2018 1:47 PM PST
In reply to: User account

Another user account is simply to see if there is hope in gleaning a working file for you to use in the account you broke. That is, if the damage is limited to the account.

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