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Firefox won't open. System says it can't find VCRUNTIME140.DLL.

Firefox won't open. System says it can't find VCRUNTIME140.DLL. There are SEVERAL copies on the drive. I believe I Refreshed and Reinstalled? And still cannot run. Th… (続きを読む)

Firefox won't open. System says it can't find VCRUNTIME140.DLL. There are SEVERAL copies on the drive. I believe I Refreshed and Reinstalled? And still cannot run.

This is the first time Firefox has failed in years. There are no instructions for this specific problem. FWIW I just installed AURA seemingly without problems.

Richard PS - Wouldn't it be great if the library of proven volunteer responses was searchable? r

7 時間前 に Guest が質問

6 時間前 に jonzn4SUSE が 最後の返信

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Update Firefox funktioniert nicht

Sehr geehrtes Team, ich wurde aufgefordert, ein Upload zu starten bei Firefox. Das habe ich versucht. Ich erhalte die Meldung 'Couldn't load XPCOM' Was muss ich tun, u… (続きを読む)

Sehr geehrtes Team, ich wurde aufgefordert, ein Upload zu starten bei Firefox. Das habe ich versucht. Ich erhalte die Meldung 'Couldn't load XPCOM' Was muss ich tun, um Firefox wieder zu starten ?? Wird dringend wg. Kontoprüfungen benötigt ! Kann dieses evtl. an fehlender Kapazität liegen ? Z.Zt. habe ich 371 MB von 111 KB zur Verfügung. Ich bitte Sie, mir schnell zu helfen - Danke vielmals. MfG Karin Gähler Telefon +49 [phone number removed]

1 日前 に Karin Gähler が質問

1 日前 に Denys が回答

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Firefox crashing immediately after install, won't open

I'm trying to install Firefox on my work computer (ARM64 version), but when I do I'm getting the crash report window at the end of the installation process (multiple time… (続きを読む)

I'm trying to install Firefox on my work computer (ARM64 version), but when I do I'm getting the crash report window at the end of the installation process (multiple times in a row), if I try to open the browser (only once), and during the uninstallation process (also multiple times in a row). I've tried a clean reinstall multiple times, including deleting the folders from program files, %APPDATA%, and all registry entries I could find (HKEY_CURRENT_USER>>SOFTWARE, HKEY_LOCAL_MACHINE>>SOFTWARE, HKEY_LOCAL_MACHINE>>SOFTWARE>>WOW6432Node).

I've contacted IT and they don't seem to think anything pre-installed should be affecting this. I'm unable to get a crash ID as I'm unable to even start the browser - all I get is the Firefox crash reporter, immediately. Is someone able to help me figure out why I can't get this working?

1 週間前 に ckennah が質問

5 日前 に ckennah が回答

无法打开火狐

当我双击打开火狐时，它总是显示下方图片中的内容，尽管我尝试了很多种方法，但依旧无法解决，希望你能告诉我解决方法。

1 週間前 に ABFG が質問

Firefoxwont work at all

Whenever I close Firefox and try to reopen it, it brings up a system error that says, "The code execution cannot proceed because C:\WINDOWS\system32\pmls64.dll was not fo… (続きを読む)

Whenever I close Firefox and try to reopen it, it brings up a system error that says, "The code execution cannot proceed because C:\WINDOWS\system32\pmls64.dll was not found. Reinstalling the program may fix this problem." I've tried completely deleting Firefox and reinstalling and it opens a new tab, but when I close it i get the same error message.

1 週間前 に TheRealMayoy が質問

1 週間前 に Kissaki が 最後の返信

Mac OS 15.5 - Firefox will not open

Firefox will not open on my MacBook Pro. Mac OS 15.5. Terminal report: 2025-06-04 10:47:20.009 firefox[2076:19473] Server doesn't exist or doesn't provide correct sele… (続きを読む)

Firefox will not open on my MacBook Pro. Mac OS 15.5.

Terminal report: 2025-06-04 10:47:20.009 firefox[2076:19473] Server doesn't exist or doesn't provide correct selectors.

Behavior: Clicking Firefox to open results in a window asking for permission to install a new Helper tool. If I grant access I soon see a new window that says the Helper has been installed and I can go to my settings and manage it. Meanwhile the Firefox icon keeps jumping up and down and won't finish opening so I have had to force quit. If I do not grant access to the installation by clicking "cancel" I get the same result: Firefox dances and won't open. I have tried simple solutions like force quitting the dancing icon and restarting after getting the "installed" message. No difference. No difference also if I cancel the installation, force quit and restart.

Please help!

1 週間前 に Howard Kling が質問

xpcom can't load. My lame fix

Getting the XPCOM can't load message. Uninstalled everything and reloaded firefox. I could not get it to work. Seems to be a lot of misinformation on the subject (irony h… (続きを読む)

Getting the XPCOM can't load message. Uninstalled everything and reloaded firefox. I could not get it to work. Seems to be a lot of misinformation on the subject (irony here). Finally loaded the latest BETA test version problem solved ... for 2 days. Got the XPCOM message again. This time I reloaded the latest BETA test version and disabled updates. Pretty lousy solution but at least it has been trouble free for over a week. SHEEEZ!

3 週間前 に cjnoll01 が質問

Firefox ‘Windows cannot find C:\Program Files\Mozilla Firefox\firefox.exe. Make sure you typed the name correctly, and try again’ for ‘Firefox

I originally deleted Firefox by accident and have downloaded it via Microsoft Store. All seems well then after I click on the app to open it, I Get the ‘Windows cannot … (続きを読む)

I originally deleted Firefox by accident and have downloaded it via Microsoft Store. All seems well then after I click on the app to open it, I Get the ‘Windows cannot find C:\Program Files\Mozilla Firefox\firefox.exe. Make sure you typed the name correctly, and try again’ for ‘Firefox’ error how can this be corrected?

3 週間前 に Andy Gailey が質問

3 週間前 に Denys が 最後の返信

Launching FireFox Portable from the network connected on multiple devices

When trying to launch the browser from a network folder, I encounter the errors shown in the screenshots. If I launch the browser on one computer, everything is ok, but i… (続きを読む)

When trying to launch the browser from a network folder, I encounter the errors shown in the screenshots. If I launch the browser on one computer, everything is ok, but if I need to launch it on at least the second one, I encounter this error until I close the browser on the first one. I don’t know what could have happened, because I didn’t touch the configuration and everything worked fine for us last year. Nothing was updated or changed. Firefox Portable ini file configuration:

3 週間前 に Добрый Лис が質問

3 週間前 に jonzn4SUSE が 最後の返信

where should the jquery-ui.css file be?

Somehow the file ended up on my desktop. I think I saw it in a wierd place so I moved it out hoping it would go where it was supposed to go but it ended up on my desktop… (続きを読む)

Somehow the file ended up on my desktop. I think I saw it in a wierd place so I moved it out hoping it would go where it was supposed to go but it ended up on my desktop and now Firefox won't open correctly. Help?

1 か月前 に deeroe12 が質問

Firefox can't reopen after closing when multiple extensions are enabled

Since upgraded to 138.0.1 my Firefox browser can't reopen after closing when multiple extensions are enabled. If run in safe mode or have all extensions disabled it can c… (続きを読む)

Since upgraded to 138.0.1 my Firefox browser can't reopen after closing when multiple extensions are enabled. If run in safe mode or have all extensions disabled it can close and reopen correctly but when more extensions enabled firefox.exe will stay in background after closing and I can only reopen it after ending the process in task manager. It has never happened before.

Here attached all the extensions I have enabled.

1 か月前 に lullula889 が質問

Firefox parece abrirse pero no da señal de nada en pantalla y queda bloqueado desde que he instalado Macos Sequoia 15.4.1

Desde que he instalado Macos Sequoia 15.4.1, Firefox no consigue abrir ninguna ventana de internet. Internet funciona porque con Google Chrome o Safari sí que puedo naveg… (続きを読む)

Desde que he instalado Macos Sequoia 15.4.1, Firefox no consigue abrir ninguna ventana de internet. Internet funciona porque con Google Chrome o Safari sí que puedo navegar.

1 か月前 に Manel.Juan が質問