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OS Monterey 12.0.1 - SanDisks Have Stopped Working

Since upgrading my MacBook Pro to OS 12.0.1 Monterey my SanDisk USB drives aren't working. When I try to access using the installed SanDiskSecureAccessV3_mac application I get "This application only runs on a SanDisk flash drive." I've reinstalled app and nothing changes. Can't access. All of the drives worked fine before the upgrade.


What's up?

Posted on Oct 31, 2021 8:41 AM

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Question marked as Apple recommended

Can you try the drives on another computer?

I would contact SanDisk, maybe an updated app is required for Monterey.

Posted on Oct 31, 2021 9:10 AM

2 replies
Question marked as Helpful

Dec 23, 2021 12:53 AM in response to Rmannyb

My Sandisk flash-drive was also not being recognised. I went on the Sandisk website: the 'Secure Access' app no longer works with Monterey, the suggested fix was to download the 'Private Access' app (Mac and PC versions available). I have done this and now have access to my flash-drive as normal. The link to the download page: https://kb.sandisk.com/app/answers/detail/a_id/21996/~/privateaccess-support-information-and-download-page

Hope this helps.

46 replies

Nov 4, 2021 10:24 AM in response to Rmannyb

After trying this and the vault not working on my MacAir I tried the using the fault on a Windows10 PC and the vault will not work either.


I can access the vault if I plug the drive into my iPhone and then have to take it out of the vault and onto the unsecured part of the drive.


I never had an issue until after upgrading to Monterey 12.0.1.

Question marked as Helpful

Nov 4, 2021 10:54 AM in response to Rmannyb

I contacted SanDisk and they say it’s their problem and they are working on a fix. Apparently they were not in sync with Apple to be compatible with the changes in Monterey. They didn’t have a date for when the fix will be released, but recommended checking their web support site where it will be downloadable.

Nov 4, 2021 1:49 PM in response to MisterAnsel

I'm having issues with a Gtech Gdrive where it keeps flashing and I can't access files, eject disk, or shutdown the computer when it is connected. I contacted support and they basically said the same thing they are working on a fix. I've seen lots of other posts about external drive and usb hub issues being affected by OS 12.0.1.

Nov 7, 2021 3:08 AM in response to Rmannyb

I have this problem too, I contacted sands live chat who asked me to remove some of the files from the vault onto my desktop, download a new file or secure access V3 from their website and re-install.


Didn't work, fingers crossed they'll come out with an update soon. I use my sandisk for work at work on windows and at home on Mac and currently can't access any of my files at home.

OS Monterey 12.0.1 - SanDisks Have Stopped Working

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