That's OK, I can update using an external then sync back if that's the only problem.

For those of us booting off a SoftRAID volume presently: I take it the only way forward is to convert the boot volume to AppleRAID? Is the only way...

I'll do a backup and enable it

According to this post: the problem has been solved. I'll await your response before enabling it, though. I feel like a patient who needs a secon...

OK, so I'm using 10.10.5. What you're saying is if I want to use TRIM, I sould use the TRIMforce command. Do you happen to know if the 850 Pro ...

I don't recall enabling TRIM. I'm not sure if it makes a difference with the Samsung 850 pro

OK, I fixed the problem. I searched the entire disk and deleted every softraid file and reinstalled to get a new trial

Repairing permissions did not help

Safe mode didn't help

What about safe boot. I could try that

So much for that idea

The only other thing I could try is running the application AS root (not administrator)

This is starting to sound like one of those "just reinstall your OS" kind of tips. I only have one user. This failed on two different boot devices....