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Area:
Software Update

Summary:
After caching a download with `/usr/sbin/softwareupdate -d -a` and waiting a certain period of time, usually 2-3 days, and then trying to install the update with `/usr/sbin/softwareupdate --verbose --install “item” --no-scan` results in a successful output from Standard Out. Checking again for available updates results in the same update being available.

Steps to Reproduce:
1.  Run `/usr/sbin/softwareupdate -d -a` to download/cache the updates on a 10.12.* or 10.13.* machine.
2. Wait a certain amount of time. Usually 2-3 Days.
3. Attempt to install the updates with `/usr/sbin/softwareupdate --verbose --install “item” --no-scan`
4. Receive a standard out of “Installing ‘item’”; “Done with ‘item’; “Done.”… There is no mention of a failure.
5. Run `/usr/sbin/softwareupdate -d -a` again to see that the update is downloaded again.
6. Investigating `/var/log/install.log` reveals a message of “Invalid or incomplete local product ‘PRODUCT ID NUMBER’”

 

Expected Results:
After running step 3 the update should successfully install or at least note in the output that it failed. Ideally it should install without issue. 

Actual Results:
The update fails to install. 

Regression:
Happens to mostly all of our 3000 plus machines we attempt to install.

Notes:
The only work around that we’ve found is to delete the Cached Update in `/Library/Updates/${PRODUCT ID}` and re-download them immediately install. This happens on a machine if it is on or off the network. I can successfully reproduce this on a machine if I copy over the `/Library/Updates/` directory to a random directory, say `/Users/Shared/`, run the install. on the failure softwareupdate removes `/Library/Updates/${PRODUCT ID}/*.pkgs`. I can copy the updates from `/Users/Shared/` and try again and it will fail fairly consistently. Happens if a user is logged in a or if at login window. Attempting to install the update from the App Store reveals a Failure Dialog as well.