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Can't open Firefox

This morning, when I tried to open Firefox I got a message saying that Windows couldn't locate the file. I originally just clicked on the icon on my screen. I then tried … (read more)

This morning, when I tried to open Firefox I got a message saying that Windows couldn't locate the file.

I originally just clicked on the icon on my screen.

I then tried going to the program file folder and opening by clicking on the exe file. Same message.

I tried downloading a new copy of Firefox.

The same message came up when I tried to open it.

I made Firefox an exception on my security software. No change.

Any ideas what to do next?

Asked by rcitti1 4 weeks ago

Answered by AliceWyman 4 weeks ago

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'Your Browser Is Being Managed By Your Organization'-Issue Resolved

Firefox 73.0.1 It is being used on a home desktop running Win 7 Home Premium. In 'Tools->Options->General,' a blue link states 'Your Browser Is Being Managed By You… (read more)

Firefox 73.0.1

It is being used on a home desktop running Win 7 Home Premium.

In 'Tools->Options->General,' a blue link states 'Your Browser Is Being Managed By Your Organization.'

When I click on the link, a new tab opens with 'Enterprise Policies' stating:

'Policy Name': 'Certificates'

'Policy Value ': ImportEnterpriseRoots'

'Value': 'True'

Are they the settings that I want or am I missing something?

Asked by Buddy2014 4 months ago

Answered by Buddy2014 4 months ago

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After trying to sync with my laptop and failing,I restored the files from a backup and am getting "This connection is Untrusted" I have not found a solution.

I have uninstalled Firefox 40, deleted the profiles folder, reinstalled Firefox, restored Firefox 40 and profiles from a backup and I am still getting this message. I eve… (read more)

I have uninstalled Firefox 40, deleted the profiles folder, reinstalled Firefox, restored Firefox 40 and profiles from a backup and I am still getting this message. I even downgraded to a previous version and restored the profiles for that version and still this nasty error crops up on anything I try to do. I cannot find any info on where other files files are stored that I am not restoring or changing that are still lingering. I have never seen anything like this.This is after spending 3 weeks completely updating and changing Firefox to suit my needs and dumping Chrome,this is what I get. It appears I will have to move back to chrome as I need a browser that works. I have tried everything I can find regarding this to no avail. I am really upset over this especially after all the time spent moving from Chrome to Firefox. I really need an answer or I will have to delete Firefox and move back to Chrome as much as I hate to do that. It still works!! Anyone have an answer for this? Is their no one at Mozilla to help with this? Help!

Asked by retiredguy 4 years ago

Answered by jscher2000 4 years ago

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Firefox has stopped saving my logins

Hi, until recently if I logged into a site I'd used previously the name would appear after a letter or two and I could quickly log in. This has stopped happening, can you… (read more)

Hi, until recently if I logged into a site I'd used previously the name would appear after a letter or two and I could quickly log in. This has stopped happening, can you help please?

Asked by Heavymetalkid 2 months ago

Answered by Chamodie Pubudini 2 months ago

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Firefox keeps crashing please do somting about it. this has been going on for months especially when I play videos. what can be done

Trying to upload image of window that I get every time firefox crashes It won't upload. So what else is new Nothing seems to work well AT firefox......Then their is alw… (read more)

Trying to upload image of window that I get every time firefox crashes It won't upload. So what else is new Nothing seems to work well AT firefox......Then their is always your apology.....

Asked by davidcassan 4 years ago

Answered by davidcassan 4 years ago

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cannot open FireFox

Good day to you all, I just opened up my computer, tried to load Mozilla, without any option to do so. I tried to go to the shortcut, only to let me know it the file fire… (read more)

Good day to you all, I just opened up my computer, tried to load Mozilla, without any option to do so. I tried to go to the shortcut, only to let me know it the file firefox.exe cannot be found. I uninstalled and re-installed twice without any success. what to do?

Asked by YoadS 4 weeks ago

Answered by JustSecurity 4 weeks ago

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Windows 10 will not launch Firefox under any circumstances

Ever since a random point in the middle of the afternoon today, Windows 10 has become completely incapable of running firefox.exe. I have done a complete reinstall multip… (read more)

Ever since a random point in the middle of the afternoon today, Windows 10 has become completely incapable of running firefox.exe. I have done a complete reinstall multiple times, wiping any and all traces of Mozilla from my system before running the installer again. I have run antivirus scans, and attempted to start Firefox with my antivirus (Avast!) completely disabled. I even tried starting firefox.exe from the command line, using tab completion to ensure that the file existed. No matter what I do, I get an error message from Windows claiming that it can't find firefox.exe, even when this is the result of double-clicking that exact file. This does not happen for any other software, including the portable version of Firefox (which is useless, since nothing is saved and I need my addons). I'm beginning to think that this is the result of either an absurd mistake or deliberate action from Microsoft, as there has been more than one Windows update within the day, and I have noticed other weird issues like my desktop background occasionally just being removed from existence for no reason.

Asked by Phyremaster 1 month ago

Answered by cor-el 4 weeks ago

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firefox will not open

when i tried to open firefox today, it said that it could not find c:/program files/mozilla firefox/firefox.exe. when i go to the file location it is there, but is listed… (read more)

when i tried to open firefox today, it said that it could not find c:/program files/mozilla firefox/firefox.exe. when i go to the file location it is there, but is listed as a .sig file? is that right? i have tried registry editor, uninstalling and reinstalling, etc. i have not done windows update 1909 because i did it before and things went all wonky so i went back to 1809. i don't know if that could have anything to do with it? is there a difference between just downloading firefox and i keep seeing "full version"...i am very confused. and fairly tech savvy. help, please. thank you.

Asked by Eyelurk 1 month ago

Answered by jscher2000 1 month ago

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Start up of Firefox just shows two light yellow empty lines on the bottom of the desktop

Empty lines appear to be top part of page. Contains text: "<window .="" <="" id="main window" p=""></window>Cannot be enlarged to see complete page … (read more)

Empty lines appear to be top part of page. Contains text: "<window .="" <="" id="main window" p=""></window>

Cannot be enlarged to see complete page

Asked by Willem7415 1 year ago

Answered by philipp 1 year ago

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

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 t… (read more)

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

Asked by chopsuey 1 year ago

Answered by chopsuey 1 year ago

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firefox won't open, reinstall etc - always same message, as attached

After AVAST found an error in firefox and tried to fix it, firefox will not open unless it's showing as the attached image I have uninstalled both programmes, reinstalled… (read more)

After AVAST found an error in firefox and tried to fix it, firefox will not open unless it's showing as the attached image I have uninstalled both programmes, reinstalled firefox, restarted my computer several times as well as tried a system restore point but to no avail. Any help is very appreciated, I need it running soon to get my assessment pieces done.

Asked by bmarchant 1 year ago

Answered by Shadow110 1 year ago

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Cannot open FF: Windows cannot find C:\Program Files\Mozilla Firefox\firefox.exe and no current solutions working

Windows cannot find C:\Program Files\Mozilla Firefox\firefox.exe I have tried all of the solutions I can find on this forum (downloading all of the free antimalware kits… (read more)

Windows cannot find C:\Program Files\Mozilla Firefox\firefox.exe I have tried all of the solutions I can find on this forum (downloading all of the free antimalware kits and scanning for malware and allowing my firewall to make an exception for FF) but these have not worked. Strangely I also cannot open any MS Office files either. Use Avast.

Asked by cgme 1 month ago

Answered by jscher2000 1 month ago

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Connecting my bank site I got message SEC_ERROR_OCSP_UNKNOWN_CERT

I use Firefox 63.0 (64 bits). Since 23 oct 2018 I got message "SEC_ERROR_OCSP_UNKNOWN_CERT" when connecting to my bank site LCL. I don't have this issue with Microsoft ed… (read more)

I use Firefox 63.0 (64 bits). Since 23 oct 2018 I got message "SEC_ERROR_OCSP_UNKNOWN_CERT" when connecting to my bank site LCL. I don't have this issue with Microsoft edge navigator. If I deselect OCS option in Firfox parameter the issue disappear but come back when I select again the OCS option. How this issue can be solve definitively with keeping OCS option ? Is the connection as well secure without this option ?

Asked by Daniel-Paul 1 year ago

Answered by FredMcD 1 year ago

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Avast Removed Addon and Destroyed My Previous Session! How Do I Get it Back?

Avast wanted to removed an Addon it didn't like so I allowed it to get rid of it. But Avast Destroyed My Previous Session! How Do I Get it Back? I clicked on 'Restore A… (read more)

Avast wanted to removed an Addon it didn't like so I allowed it to get rid of it. But Avast Destroyed My Previous Session! How Do I Get it Back? I clicked on 'Restore All Windows' but all I got was a bunch of new windows and on only one Window of about 8 that are now lost or gone. Months to build... now if I can't restore these, it will take weeks or a month or more to build back what I had!

Asked by Pj 1 year ago

Answered by Pj 1 year ago

  • Solved

Windows Cannot Find Firefox.exe

Hi, I've been using firefox for a while on this computer now, but this morning I was hit with a popup saying: "Windows cannot find 'C:\Program Files\Mozilla Firefox\firef… (read more)

Hi,

I've been using firefox for a while on this computer now, but this morning I was hit with a popup saying: "Windows cannot find 'C:\Program Files\Mozilla Firefox\firefox.exe'. Make sure you typed the name correctly, and then try again."

I have so far tried every fix I can find (which aren't many for this glitch), and none have worked. I have tried uninstalling and deleting all folders related to Firefox, and the new install still gives me the same error. My OS is Windows 10, and I have not had any problems with Firefox before this morning, nor have I made any changes to the files or anything of the sort. Just tried to run it and it gave me this.

I am at my wits end a bit with this. Help!

Asked by killtoy 1 month ago

Answered by cor-el 1 month ago

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NOTHING GOOGLE WORKS on Firefox only

gmail has been frozen in act of opening for several days cannot access youtube everything connected with Google either does not work or scrambles (as in Google Docs) Thi… (read more)

gmail has been frozen in act of opening for several days cannot access youtube everything connected with Google either does not work or scrambles (as in Google Docs)

This has been happening for several days

Asked by oaxcarmen 1 year ago

Answered by oaxcarmen 1 year ago

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Why is the mozilla.org site untrusted? "You have asked Firefox to connect securely to www.mozilla.org, but we can't confirm that your connection is secure."

Just downloaded firefox for mac and get their own server as a security warning.....not very promising. This Connection is Untrusted You have asked Firefox to connect secu… (read more)

Just downloaded firefox for mac and get their own server as a security warning.....not very promising.

This Connection is Untrusted

You have asked Firefox to connect securely to www.mozilla.org, but we can't confirm that your connection is secure.

Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified. What Should I Do?

If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.

Asked by georgewachs 4 years ago

Answered by jscher2000 4 years ago

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All sites insecure after Firefox Refresh

I've just done a Firefox Refresh which has been a bit of a disaster as any attempt to connect to any sites now gives a message to say that they don't have the right certi… (read more)

I've just done a Firefox Refresh which has been a bit of a disaster as any attempt to connect to any sites now gives a message to say that they don't have the right certificate and are insecure. The same goes for your own site!

Any help please??

Asked by Captaincareful 1 year ago

Answered by philipp 1 year ago

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Why have some trusted sites stopped loading with Firefox 63?

Ever since I upgraded to Firefox 63, several trusted websites have stopped loading; instead I get sent to an error page with: Your connection is not secure The website tr… (read more)

Ever since I upgraded to Firefox 63, several trusted websites have stopped loading; instead I get sent to an error page with:

Your connection is not secure

The website tried to negotiate an inadequate level of security.

<www.thestar.com> uses security technology that is outdated and vulnerable to attack. An attacker could easily reveal information which you thought to be safe. The website administrator will need to fix the server first before you can visit the site.

Error code: NS_ERROR_NET_INADEQUATE_SECURITY


This also occurs with https://download-installer.cdn.mozilla.net/pub/firefox/releases/63.0.1/win32/en-US/Firefox%20Installer.exe

Is the problem at my end or theirs? If the former, what do I need to do to return to the behaviour for FF 62?

Asked by asraskin 1 year ago

Answered by cor-el 1 year ago