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Firefox suddenly will not start

During class today, Firefox unexpectedly crashed on my Windows 10 PC after downloading a pdf file from my History teacher. Now, when I try to open Firefox, a transparent … (閱讀更多)

During class today, Firefox unexpectedly crashed on my Windows 10 PC after downloading a pdf file from my History teacher. Now, when I try to open Firefox, a transparent box quickly appears before disappearing again, not opening Firefox. I have yet to find a solution that has worked.

micjdig2 於 1 個月前 詢問

FredMcD 最近回覆 於 1 個月前

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Firefox ESR doesn't start at all with specific profile: [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost

Hello! I am running firefox-esr version 68.5.0esr-1+b1 (from Debian testing) with a bunch of extensions (ublock origin, multi containers, suspend tab, open in browser, a… (閱讀更多)

Hello! I am running firefox-esr version 68.5.0esr-1+b1 (from Debian testing) with a bunch of extensions (ublock origin, multi containers, suspend tab, open in browser, all in one sidebar, etc). Yesterday, I was suddenly unable to start firefox. I can see the profile manager and start another older profile, but not the one I really need to open. When I start from a terminal, I see this error message most of the time:

 ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost

I have created a new profile and started it with success; after copying all files from the faulty profile, the new one does not start.

I have tried to run with safe mode: still does not start.

I have found https://unix.stackexchange.com/questions/426502/firefox-keeps-crashing-upon-launch/466522 which doesn't help.

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile shows me how to copy bookmarks and cookies over. (I am not using any synchronization service.) I would very much like not losing my session (open tabs), but I don't know which file or database is holding it.

I would prefer not to have to spend a lot of time reinstalling and reconfiguring all extensions, but maybe it will be necessary. Thanks for any help troubleshooting this.

spiff 於 1 年前 詢問

spiff 最近回覆 於 9 個月前

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Firefox won't open on Mac, get error The application “Firefox.app” can’t be opened.

My OS is Catalina 10.15.4. Firefox worked fine until today. I have removed and reinstalled Firefox. I have setup a new profile. Firefox will not open in safe mode. Wh… (閱讀更多)

My OS is Catalina 10.15.4. Firefox worked fine until today. I have removed and reinstalled Firefox. I have setup a new profile. Firefox will not open in safe mode.

What else should I do?

Lamar 於 10 個月前 詢問

Chamodie Pubudini 最近回覆 於 10 個月前