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Avast removed 'bad' firefox add ons now I can't get firefoz to load

Posted

Today I went into Firefox (windows 7) and Avast said 2 unreliable add-ons to remove. One was Firefox telemetry can't remember the other. Now firefox won't load properly tho icon there and still noted in programs. I can't reinstall firefox or download it again. Having to do this via Google Chrome. Help

Today I went into Firefox (windows 7) and Avast said 2 unreliable add-ons to remove. One was Firefox telemetry can't remember the other. Now firefox won't load properly tho icon there and still noted in programs. I can't reinstall firefox or download it again. Having to do this via Google Chrome. Help

Chosen solution

Philipp - Thanks I did eventually work it out with the help of Google to explain how I found running processes and I've now got Firefox back. The home page doesn't have all the apps etc showing in the boxes but I can get private viewing which is great for me!

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

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philipp
  • Top 25 Contributor
  • Moderator
5306 solutions 23423 answers

hi, thanks for reporting this. in order to recover, please try to start firefox into safemode by pressing the shift key while it's launching. if you get it to open up normally this way then please enter about:config into the address bar (confirm the warning hint in case it shows up), and search for the preference named intl.locale.requested - right-click and reset that preference and then try to start firefox normally again.

Troubleshoot Firefox issues using Safe Mode

hi, thanks for reporting this. in order to recover, please try to start firefox into safemode by pressing the shift key while it's launching. if you get it to open up normally this way then please enter '''about:config''' into the address bar (confirm the warning hint in case it shows up), and search for the preference named '''intl.locale.requested''' - right-click and reset that preference and then try to start firefox normally again. [[Troubleshoot Firefox issues using Safe Mode]]
jscher2000
  • Top 10 Contributor
8690 solutions 71036 answers

Does Avast have a log of what it does, or a quarantine that lets you restore removed files? That would be helpful in this kind of case...

Does Avast have a log of what it does, or a quarantine that lets you restore removed files? That would be helpful in this kind of case...

Question owner

I've put in about:config and it tells me 'Here be dragons only to do this if you know what you're doing! Do I continue??

I've put in about:config and it tells me 'Here be dragons only to do this if you know what you're doing! Do I continue??
philipp
  • Top 25 Contributor
  • Moderator
5306 solutions 23423 answers

yes, please continue - don't make arbitrary changes on that about:config page though but only what we were referencing here in the thread...

yes, please continue - don't make arbitrary changes on that about:config page though but only what we were referencing here in the thread...

Question owner

There isn't a intl.locale.requested. It goes from intl.keyboard per..... to intl.menuitems.always.........

There isn't a intl.locale.requested. It goes from intl.keyboard per..... to intl.menuitems.always.........
philipp
  • Top 25 Contributor
  • Moderator
5306 solutions 23423 answers

Helpful Reply

ok, then another thing to try - enter about:support into the address bar and hit the button to open the profile folder. then close all running firefox processes and delete the file named addonStartup.json.lz4 inside your profile folder.

ok, then another thing to try - enter about:support into the address bar and hit the button to open the profile folder. then close all running firefox processes and delete the file named addonStartup.json.lz4 inside your profile folder.

Question owner

sorry don't understand 'close all running firefox processes' so can't find addonStartup.json.Iz4

sorry don't understand 'close all running firefox processes' so can't find addonStartup.json.Iz4

Question owner

jscher2000 Any ideas how I find it in free Avast?

Ignore it's now sorted with the help of Philipp.

jscher2000 Any ideas how I find it in free Avast? Ignore it's now sorted with the help of Philipp.

Modified by chopsuey

jscher2000
  • Top 10 Contributor
8690 solutions 71036 answers

I don't use Avast.

Why can't you download Firefox? Do full installers work any better:

https://www.mozilla.org/firefox/all/

I don't use Avast. Why can't you download Firefox? Do full installers work any better: https://www.mozilla.org/firefox/all/

Chosen Solution

Philipp - Thanks I did eventually work it out with the help of Google to explain how I found running processes and I've now got Firefox back. The home page doesn't have all the apps etc showing in the boxes but I can get private viewing which is great for me!

Philipp - Thanks I did eventually work it out with the help of Google to explain how I found running processes and I've now got Firefox back. The home page doesn't have all the apps etc showing in the boxes but I can get private viewing which is great for me!