My Mac Pro spontaneously restarts

Why are you so keen to use a third-party download manager, even if you have to defeat your Mac's Built-in protection to do so?

Safari can download in the background. Mac App Store can download in the background. iTunes can download in the background.

Linda Cameron wrote:

I just read an article about El Capitan and that it uses something called SIP System Integrity Protection. Some software does not work well with it. This SIP is supposed to help prevent malware from getting into my system, but there is a way in Terminal to disable SIP. I am thinking I may try disabling it and see if my Download Manager works without these restarts. Will report on that later.

What benefits does Download Manager give you to make it worth defeating the security of SIP that Apple feels is necessary?

Besides if the developer for Download Manager is too lazy to upgrade his product to make it compatible with SIP, I would not trust it on my Mac even if it did provide some kind of a benefit.

It isn't just download manager apps that do not work right with SIP. Default Folder is another app I like which doesn't work now. These apps may get updated, I would hope. I have used iGetter (a download manager) for many years. I can go back into its history to find things I downloaded and there are other benefits. Of course, right now I have stopped using it and am downloading with Safari.

There are features in Mac OS X that can provide a default folder as well:

http://jimmymacsupport.com/set-finders-default-folder-mac-os-x/

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Yes, to some extent . The Default Folder utility offers many useful features for quickly navigating. I have 5 external hard drives and one internal. Some folders are buried deep on other disks. I am sure I could live without that app if I had to but since I have paid for it and used it for years, I would like to keep using it. Everyone has their own ways to get around on their Macs.

Have been struggling with this for a few months. It was a defective RAM module. Would have never expected a module to fail after years of usage and to cause random resets.

On a Mac Pro with Xeon Processor, memory error-correction fixes minor memory problems so that you can keep computing.

By design, uncorrectable errors cause your Mac to halt on a kernel panic, machine check. These should generate kernel panic notifications on the screen, and also in System logs.

If you see a panic screen with writing in multiple languages, you must not ignore it. Action may be required to fix the underlying problem.

What's interesting here is that was never a kernel panic visible. It just did resets. No information.

I'm trying this method I hope I see some changes