Author Topic: MacBookPro running BootCamp/Windows 7 Avast! boot scan slowww  (Read 7204 times)

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Offline jondear

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Hi, I may be (probably) doing something wrong here. I've installed the 4.8 Professional on trial on Windows 7 running on BootCamp on a MacBook Pro. I started out trying a boot time scan, but gave up after only getting to 11% after two hours. Trying a standard scan from within Windows is more like how it should be, 80% in a few minutes. My BootCamp drive is 32Gb, probably no more than 10 Gb used. No other anti virus or protection apps installed. More or less a "virgin" Windows 7 system. Could it be trying to scan my Mac partition too? And maybe getting hung up on that? Any thoughts anyone?

Offline .: Mac :.

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Re: MacBookPro running BootCamp/Windows 7 Avast! boot scan slowww
« Reply #1 on: July 28, 2009, 01:23:11 AM »
Its definitely not scanning the Mac Partition, as Mac drives are formatted as HFS+, which can not be read under windows without 3rd party software.
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Offline zilog

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Re: MacBookPro running BootCamp/Windows 7 Avast! boot scan slowww
« Reply #2 on: July 30, 2009, 03:48:28 PM »
Hi, I may be (probably) doing something wrong here. I've installed the 4.8 Professional on trial on Windows 7 running on BootCamp on a MacBook Pro. I started out trying a boot time scan, but gave up after only getting to 11% after two hours. Trying a standard scan from within Windows is more like how it should be, 80% in a few minutes. My BootCamp drive is 32Gb, probably no more than 10 Gb used. No other anti virus or protection apps installed. More or less a "virgin" Windows 7 system. Could it be trying to scan my Mac partition too? And maybe getting hung up on that? Any thoughts anyone?

Hallo,
BootTime scanner runs in different environment - the Windows system isn't booted up to the full, and there's probably still some dependence on some BIOS-related thing, that makes it slow (because BIOS is placed on the top of EFI, by BootCamp, and this layer has still some quirks/inefficences).

Try newer/latest version of BootCamp, whether the performance penalty is still there.

regards,
pc
May's Law: Software efficiency halves every 18 months, compensating Moore's Law. (David May, INMOS)

Offline igor

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Re: MacBookPro running BootCamp/Windows 7 Avast! boot scan slowww
« Reply #3 on: August 04, 2009, 01:04:15 PM »
Also, you may try to check the option "Disable raw disk access in avast! boot-time scan" on the Troubleshooting page of avast! settings - even though even if it changed anything, I really wouldn't know what to conclude.