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Slow network connection with Firefox but not IE - some more ideas?

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  • 3 有這個問題
  • 3 次檢視
  • 最近回覆由 bildoskar

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My network connection works well (wireless approx. 25 Mbit/s downloading, cable approx. 140 Mbit/s) with everything except Firefox on one of my computers. Firefox performance is only 1-4 Mbit/s irrespective of wireless or cable. Firefox in failsafe mode and IE9 in normal mode on the same computer have expected good performance. I have no more ideas what could be the problem with firefox settings/plugins or whatever (see troubleshooting information). Some who has?

My network connection works well (wireless approx. 25 Mbit/s downloading, cable approx. 140 Mbit/s) with everything except Firefox on one of my computers. Firefox performance is only 1-4 Mbit/s irrespective of wireless or cable. Firefox in failsafe mode and IE9 in normal mode on the same computer have expected good performance. I have no more ideas what could be the problem with firefox settings/plugins or whatever (see troubleshooting information). Some who has?

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hello bildoskar, there are many reports that f-secure doesn't work well together with adobe's flash plugin 11.3+ (since it has introduced a protected sandbox mode) - other users have had similar symptoms. please try the following steps:

  • also make sure that enhanced process monitoring is disabled in advanced settings > computer > deepguard since it might interfere with adobe flash' and or generally disable deepguard.
  • if this does not increase the download speed to normal levels you could try downgrading to flash 10.3 since it's still maintained by adobe and see if this resolves the issue.
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Thanks a lot, the second bullet, to disable the deepguard "enhanced process monitoring" in f-secure, solved the problem! The first was already disabled in this case.