Title pretty much explains it all. Got a notice about an update night before last and installed it.
When I went to access my Secure folder this morning, I got the Unauthorized Software message, but I haven't installed anything since
Not sure what info anyone needs to help, but
Android Version 9
Kernel Version 4.4.153-16888298
Knox Version 3.3
Android Security Patch Level March 1, 2020
Can I please have your full model number, baseband version, and service provider?
Has the device been rooted or anything? Have you tried wiping the cache partition since the update? Are any updates available?
To wipe the cache partition:
Thanks for the info.
The device has not been rooted. Secure folder was working fine before I installed the last update.
ETA 5/7/20: Phone Status: Official
When I checked for updates it said my system was current.
Followed your instructions to wipe cache partition, problem persists.
Do you have an SD card inserted? Is it encrypted?
Is your Samsung account still logged in on the device? Is the sync working correctly?
Do you have any 3rd party launchers or lock screen apps installed? Any security apps?
Do you have an SD card inserted?
I do have an SD Card.
Is it encrypted?
No, it is not encrypted, but the destination for the Secure Folder is located on it.
Is your Samsung account still logged in on the device?
Is the sync working correctly?
Seems to be. I get the 2nd verification texts from here and e-mail updates with no problem.
Do you have any 3rd party launchers or lock screen apps installed?
No, and only the stock lock screen function.
Any security apps?
Nothing except Avast antivirus.
Have you tried temporarily uninstalling Avast?
Have you tried opening secure folder in Safe Mode?
So I hadn't heard anything about this thread, and today I got an automatic system update, which I installed.
After I restarted, I tried accessing the Secure folder - it would blink and then return to the homepage without opening.
So I decided to review this thread, and decided to try this option, and it worked!
Now I just need to figure out why I can't open it in normal mode.