Author Topic: Firefox is stating slowly after starting Windows and I think the reason is Avast  (Read 154 times)

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Offline voikovi

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Does anyone have this problem (who uses Firefox of course), and I hope Avast is not doing it on purpose to promote Chrome. It does not happen every time but sometimes I have to wait a minute or two to see the start page which is the default of Firefox with recently viewed pages. I think the problem is Avast because with Windows Defender there is no slow down. My machine Dell Insiron 7566. OS: Windows 10 1903. I had this problem for a long time and I have  reinstaled Firefox and Windows (Windows clean install) also  Avast free.

Offline DavidR

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I haven't experienced this in either my old FF ESR 32-bit version (on win XP Pro SP3) nor the latest FF versions leading up to Firefox 69.0 (64-bit version) on my win10 1903 64-bit.  System specs below my posts.

You don't say what FF version you are running, I can only assume given your OS version you would be using the latest version ?

Generally I don't shut firefox down that often, in XP it can occasionally use too much memory and things slow down, so I restart it.  I have multiple tabs open, but on a restart only my pinned tabs and OneTab add-on open, I use that to start frequently used sites.

If you have firefox open with multiple tabs open by default as that could mean the webshield would be scanning that content, but that shouldn't take minutes.

I haven't seen (or remember) this issue reported in the forums as it would if this were a common issue.
WinXP ProSP3/ Core2Duo E8300/ 4GB Ram/ avast! free 18.5.2342/ Firefox ESR, uBlock Origin, uMatrix/ MailWasher Pro7.11.0/ DropMyRights/ WinPatrol+/ Drive Image 7.1/ SnagIt 10.0/ avast! mobile security
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Offline schmidthouse

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I also have not experienced the issue stated by the OP and am running Win10 64 Bit and am using FF 69
***HP ENVY 15K LT W10 Pro 1903 64Bit/750GB HD/16GB Ram/Avast Premier 19.7.2388 /VS 5.02(WC)/ASB/Mbam 4/Secureline b. 5.4/SANDBOXIE/Prey Project
**HP Compaq 8510p LT W10 Pro 1903 64Bit/1TB HD/8GB Ram/Avast Premier BETA 19.8.2391 /VS 5.02(WC)/ASB beta/Secureline b 5.4/SANDBOXIE/Prey Project 
     
*Dell Inspiron XPsp4 PRO 32Bit/Avast(since 2000)18.8.2356/OSA/WP/Comodo FW 3.14/Secureline/Comodo IceDragon v.40
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Offline mchain

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Maybe user should keep an eye on CPU usage and load when this issue shows up?
Windows 10 Home 64-bit 1809 Avast Premier Security version 19.7.2388 (build 19.7.4674.524) UI version 1.0.402.  Formerly called Avast Internet Security

Offline bob3160

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Can always give this a try and see if it helps.
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