Ran into this problem on a few macs. The scenario is that you've uninstalled teamviewer on macOS catalina and now your mac won't boot. Instead it give you an error that reads: "Unrecoverable Error. SecurityAgent was unable to create requested mechanism TeamViewerAuthPlugin:Start.
Basically it's a file that the OS is looking for to boot and it can't find it. Solution below:
You're welcome. If you're having trouble, contact us. Details to the right >>>
OLD FIX Methods
The Fix Option 1 - Target Disk Mode:
The Fix Option 2 - USB Thumb Stick & Terminal Command:
1/16/2020 03:19:38 pm
I tried your Option 2. After going to the terminal and entering Is /Volumes/ it just said file not found which seemed odd. So I entered the cp -r /Volumes/fixit/TeamViewerAuthPlugin.bundle /Volumes/Macintosh\ HD/Library/Security/SecurityAgentPlugins/ and restarted but got the same error. I'm getting "the file I need" on another mac, saving it to a thumb drive, then using an adapter to connect it to the mini usb on my broken computer. Could this be a problem. Frustrated and perplexed.
2/10/2020 12:00:51 pm
I have the same problem
3/9/2020 11:15:57 am
Go with the updated steps, see above
1/20/2020 09:42:46 am
Agh,,,, I cant even find the Terminal command.
1/26/2020 07:15:46 am
Thank you !! It helped me
1/29/2020 06:55:18 am
I used option 1, many, many thanks this worked perfectly. How do I manage to uninstall Teamviewer permanantly? The reason beoing I have heard of some scams using it to hack into computers.
3/9/2020 09:39:29 am
I can’t do that :( can you help me please???
3/9/2020 11:17:41 am
Go with the updated steps, see above
2/1/2020 05:21:59 am
2/15/2020 07:14:50 pm
Thank you, thank you, thank you. I was pulling my hair out, but now all is well. I can’t thank you enough for the fix using the Terminal command.
2/17/2020 02:22:12 pm
Thanx so much! It worked for another lost file mkauthplugin:prelogin. My son unplugged a flight simulator joy stick?? and the message came up!
5/6/2020 12:10:28 pm
I have the same error as you did. can you please share the exact command you types. I've tried everything with no luck.
2/24/2020 02:04:07 am
I’ve tried command R and many other key combinations I’ve seen in online discussion groups. Nothing I do gets rid of the black screen and unrecoverable error message. I would love to try your solution but I can’t get into recovery mode. Any thoughts?
2/24/2020 10:44:42 am
Awesome it’s working
Mr Janos Holanyi-Papp
3/6/2020 06:38:30 am
The new solution
3/13/2020 10:37:35 pm
Hi i tried your updated fix posted below for the Teamviewer reboot error. I was successful up until the step to enter command: rm "/Volumes/<your disk>/var/db/auth.db"
3/26/2020 03:31:48 pm
I have excatly the same, how did
3/27/2020 11:14:30 am
3/27/2020 11:47:19 am
It is: rm(space) And then “/Volumes.... etc. And you need to leave a space in between Macintosh And HD also. And still use the “”
3/15/2020 12:28:55 pm
You saved my life. Option 1 worked also in High Sierra.
3/23/2020 02:30:54 am
Help! It doesn't work on my mac. I have always " No such file or directory" answer .
3/23/2020 02:48:33 am
Ok, I get it! I've tried a few usb format and it's working :)
3/26/2020 03:21:27 pm
I have the same! How did you fixed
3/28/2020 07:01:25 pm
Muchas Gracias!!! U save my life!!! Thx!!!
4/3/2020 01:59:02 am
Thank you!! It worked with the disk name name as .../“Macintosh\ HD”/...
4/3/2020 02:09:35 am
I love you
4/6/2020 02:20:54 pm
The first one worked you just have to type it in correctly!
4/14/2020 07:17:52 am
4/17/2020 02:29:43 am
Ahhhh thank you so much!
4/23/2020 08:22:42 pm
Sir you are a LIFESAVER thank you!
4/27/2020 01:57:29 am
Thank you! It worked for me on Catalina.
4/28/2020 06:05:15 am
I used the first one. Was perfect! Thank so much!!
5/4/2020 06:06:18 pm
This was very helpful and saved my computer in the middle of a work crisis! Thank you so much!
5/6/2020 02:25:53 am
5/9/2020 12:32:34 am
Thank You So Much.
5/16/2020 07:03:58 am
I used the first one. Thank so much!!
5/23/2020 11:07:15 am
THANK YOU!! Your 5/2020 update worked like a dream! I had tried so many things with no success. THANK YOU!!
5/24/2020 02:52:56 am
Fantastic, many thanks
5/27/2020 01:14:56 am
Hi, I have tried the instructions above to be able to reboot my imac 2013. I just have a lock sign after pressing the combination cmd + R instead of the apple logo. Do you have any suggestions? Thanks in advance
5/27/2020 07:33:57 am
You are awesome. It worked.
5/31/2020 02:28:31 pm
Thank You So Much. You have saved my time. God Bless You... :)
6/2/2020 09:27:12 am
Can someone help me? I tried the first option with “Macintosh HD” and I couldn't. It appears that it was not found! can someone help me for god's sake? what is the correct code?
6/7/2020 09:28:21 pm
I spent five days with Apple support trying to fix a mess on my computer that THEY created! In tears at times. One day I was on the phone from 1pm to 9pm tearing out my hair. for shits and giggles i typed in my problem online and your website came up. I fixed it in five mintues! Thank you, Thank you! Thank you!!!
6/9/2020 08:46:13 am
Oh! What a relief it is -- as Alka Seltzer used to say! Your solution seems to have worked for me on the first try! THANKS A MILLION!
6/11/2020 10:34:40 am
Option 1 worked for me thank u!!! Now did that officially delete the plug in or do I now need to do that and how ?
I deleted team viewer and all assoiated files this morning just tried to startup my MacBook Pro (Mac OS Catalina ver 10.15.4
6/18/2020 06:59:19 am
TeamViewer is a proprietary software application for remote control, desktop sharing, online meetings, web conferencing, and file transfer between computers.
7/20/2020 01:45:01 pm
Thankyou so much for this helpful steps, you have saaaved my life!!
7/22/2020 02:22:56 am
thankyou so much bro, much love from india
7/26/2020 04:47:47 pm
YOU SAVED MY LIFE!!! THANK YOU!
8/5/2020 09:43:22 am
Yes, It worked, Thank you so much bro....
8/6/2020 11:01:22 pm
In the termanal it says no such filenor directory
8/16/2020 11:56:41 am
I uninstalled teamveiwer and that started all the trouble. So in looking for solution i came across your YouTube page and followed the link.
8/22/2020 01:57:09 am
I had this problem this morning and your instructions worked perfectly - thanks so much, massively saved me!
9/27/2020 04:58:11 am
It says read-only when I use the option 2
10/16/2020 02:37:40 pm
Option 1 worked for me. Thanks a lot for the help!
11/1/2020 09:17:46 am
Thanks for the help. It worked for me.
11/14/2020 07:45:07 am
Thank you so much the first option worked perfect. One question did this take care of the problem if I restart again or do I need to somehow remove it from the start up?
11/25/2020 10:25:09 pm
No. 1 worked! Thank you. Is it a permanent fix or do I need to reinstall the deleted program?
1/29/2021 04:02:23 pm
This worked! Thanks so much. You are lifesavers!
2/14/2021 03:12:20 pm
This worked. It didn’t work for the first several times. Don’t give up. Try it again from the start, and make sure you are doing everything exactly as they say to do it.
3/8/2021 01:04:57 am
3/30/2021 02:32:12 am
Option 2 worked for me, I have a MacBook Air 2015 with Catalina, I followed all steps in Option 2, I put everything in one stick I previously used for my laptop, it work instantly. Only pay attention when typing, if not typed well, an error is coming out, if all good, no error comes, but an arrow for a new terminal command will appear. Thank you very much guys for all your explanations, you saved me 🙃🙃🙃
3/30/2021 02:42:12 am
Also, my command worked as:
5/14/2021 05:28:33 am
During the pandemic The Teamviewer cutoff my free concessions & left me almost helpless at the edge of the exam. But your help worth me millions & words are not enough to thank.. God Bless you man.
6/21/2021 09:13:15 pm
thank you - i've tried it all online this is the only thing that got me up and running! btw option 1 worked :)
9/30/2021 01:13:36 pm
This helps! Thankyou so much!! But is the teamviewer fully uninstalled? Cus its bugging me
11/26/2021 03:26:15 pm
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