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Full Scan will not complete

jshoughton

I have tried many times to complete a full scan and each time it stops at about a third left to go with the following error:

"Scan cannot be completes.  An error occured running the scan."

I have tried redownloading, removing and reinstalling Sophos, and get the same result.  In case it was an issue with the bootcamp partition I excluded it in a custom scan and the same error still appears.

It is running on an iMac 3.06GHz intel core i3, which has been upgraded from Snow Leopard to Lion.  I had no problems running the full scan prior to upgrading to Lion.  I am running the latest version of Sophos (7.3.2c with threat detection engine 3.22.0), so it should be a Lion compatible version.

Another problem that has developed since the upgrade is the shield icon on the top bar intermitently disappears and the setting to display in status bar needs to be rechecked to enable it again.

Any help with this would be much appreciated as until now I've had no problems at all with this great free tool!

:1003679


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  • 0

    Same to me.

    I digged a little deeper and found that during the "hang" my hard drive space shrunk rapidly. I found that SAV was scanning a big compressed file by decompressing it into a temporary file (in /private/tmp directory).

    I used Sloth (a gui for the lsof command) as root and watched the SophosAVAgent accessing the file. So you can find the big file it is processing. If the file is too big you can exclude it from the scan or just wait until SAV has processed it.

    I don't know how to exclude files from the "Scan of all local drives" but I've created a custom scan of all Volumes (except my Time Machine volume) and excluded my big files (VMWare disks, some ISO images and my 55GB gzipped PC backup). So the scan now runs fine but with some pauses when SAV decompresses a some-MB file.

    I have the impression that SAV is not very efficient on decompressing files. But this may be a tradeoff because SAV claims to "not slow you down" during a scan.

    When the file is too big to decompress (maybe you're out of hard drive space), SAV may end with an error. But I haven't waited until my hard drive was full. :smileywink:

    Hope it helps.

    Update: You should exclude your iPhoto library too. SAV creates some increasingly big temp files during the scan of the library. Sophos should fix that behaviour.

    :1003689
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  • 0

    Same to me.

    I digged a little deeper and found that during the "hang" my hard drive space shrunk rapidly. I found that SAV was scanning a big compressed file by decompressing it into a temporary file (in /private/tmp directory).

    I used Sloth (a gui for the lsof command) as root and watched the SophosAVAgent accessing the file. So you can find the big file it is processing. If the file is too big you can exclude it from the scan or just wait until SAV has processed it.

    I don't know how to exclude files from the "Scan of all local drives" but I've created a custom scan of all Volumes (except my Time Machine volume) and excluded my big files (VMWare disks, some ISO images and my 55GB gzipped PC backup). So the scan now runs fine but with some pauses when SAV decompresses a some-MB file.

    I have the impression that SAV is not very efficient on decompressing files. But this may be a tradeoff because SAV claims to "not slow you down" during a scan.

    When the file is too big to decompress (maybe you're out of hard drive space), SAV may end with an error. But I haven't waited until my hard drive was full. :smileywink:

    Hope it helps.

    Update: You should exclude your iPhoto library too. SAV creates some increasingly big temp files during the scan of the library. Sophos should fix that behaviour.

    :1003689
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