Avast For Mac Installation Failed

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Trying to install the latest Avast on a MBA running 10.9.5. No sign of any problems. Machine running fine. I had installed Avast on another machine of his and it did some good, so he wanted it on his MBAir.

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The problem, the installer fails at the final stage with a completely generic message that's no help.


Looking at the console log, lead me to believe a couple things:

- Perhaps it was tripping over a permission problem.

- or perhaps it wasn’t happy that Chrome was not installed.


FailedMac

One specific log line item says (which might be the key if someone can interpret, my Google searches haven't been able to untangle):

'CoreServicesUIAgent: Error: qtn_file_apply_to_path error: Read-only file system'

For

So, here are the things the DIDN'T solve the problem

1) repaired permissions

2) installed Chrome

3) repaired home permissions

4) restarted

5) turned off Gatekeeper

6) redownloaded installer

Avast For Mac Installation Failed How To

7) ran Disk Repair, which led me to booting into Recovery Mode to fix a couple directory structure mismatches.


Any ideas what else it could be tripping up this install?


Avast For Mac Installation Failed Download

I don’t have enough experience with Avast to know whether or not this is an “Avast problem”, but I certainly have more experience with installing under Mavericks to say Avast is most likely the culprit here.

Avast For Mac Installation Failed Windows 10


I suppose I could give up on Avast and go to ClamAV, but he’s “sold” on Avast. I realize there are other virus protection solutions and I realize there's some debate on whether or not anti-virus software SHOULD be installed on a Mac. Just looking for suggestions on the installation problem itself.

Avast Failed To Install

Avast For Mac Installation Failed

Have submitted a ticket to Avast, but only a canned response so far.

Posted on Mar 5, 2015 4:31 PM