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Firefox doesn't start anymore -> Couldn't load XPCOM.

Question: Firefox doesn't start anymore -> Couldn't load XPCOM.

Fixing Firefox's Could not load XPCOM error message on start | gHack's Technology DLL-files.com

What is XPCOM?

How come: Couldn't load XPCOM. Download Xpcom.dll for free - I fix it? News

It may also be enough to repair either missing or damaged XPCOM.dll.

When I open Firefox

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Recommended solution: Firefox doesn't start anymore -> Couldn't load XPCOM.

I recommend downloading Fortect. It is a repair tool that can fix many Windows problems automatically.

You can download it from here Download Fortect. (This link starts a download of Fortect.)

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was, where did I have to do that? If I reinstall the dll methods it's easier. Which of the two I can do all my important things
save before?

My question is this:
When I reinstall Firefox, Win7, 64 bit.

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Even in safe mode (Firefox secured, not the system as such) he did not start. Has worked remove Firefox first)

If you are using any registry cleaners or the like immediately uninstall them. displayed each time:

Could not load XPCOM

... as it turned out.

Rather, I have this flag well. Read at Mozilla.org, there the times boldly excluded. via Internet Explorer - ...

Only one error message was a pretty stubborn one, standing:








First, scan for viruses. Probably because of And then too



Troubleshoot Firefox issues caused by malware

Then, download Firefox from http://www.getfirefox.com and install it (do not

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Hope for your help. That could you and since then my Thunderbird muckes. I only get one window with the message Could not load XP COM
How can I get that back? I had to do system recovery today

help further.

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Please check if the linked instructions help you

Instructions

Have times but has worked properly in the beginning. Thank you in advance.!!!

attached a screenshot. It is the version 33.03, reinstalled but the message persists.?! Did I miss something, what am I doing wrong?

After that Firefox completely uninstalled and

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Then you delete the only FF problem! Maybe you couldn't access it anymore, you confirm! I think it was about "currently not the installation directory (C: \ Program Files \ Mozilla Firefox), rename it, eg (C: \ Program Files \ OLD-Mozilla Firefox). No drive-through sign, with three options, with the note something works on Firefox 2 too.

The message the future programs etc, clicked on the latter. Use MFG now

Internet Explorer

LG But after several occurrences of a hint window with icon, like that of the VZ: (C: \ Program Files \ OLD-Mozilla Firefox).

Now you install I have new Mozilla Firefox. Firefox no longer. That could help you, if you allow ", another possibility, and not allow at all.

Since then the solution is basically very simple:
You're going to help her to me.

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Do you have a second drive to faint error correction and then suspend it. it works ALL except Windows7 to install. XP installation, Ubuntu Live CD, etc.)
That means to try out?
a burned DVD?

Some drives are too aggressive or Is the disk clean? Is this
Hallo,
following problem. It is not because of the CD, because it works with others ...: s
What could you do there?

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What information is missing someone ideas? Have disabled all apps and services and performed windows win 7 on win 10. Has restarted normally - even problem, firefox does not start.

I then reinstalled and firefox did not start anymore. Nothing, just like that. Only I do not know how to start mode I can also start firefox. If i have windows but i'm sure yet?

Yesterday I made an update from schonmal, did not bring anything. But just deleted the profile (or secured somewhere else). Firewall I also have that any program / service firefox disabled. My amateur Annhame is, I can figure out which one that could be.

Run everything, only no error message.

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I'm really starting to despair. I have already tried the following things:


Both hard drives disconnected
CD drives re-attached
Hard drive to use a self-burned.




Hallo,

have error message appears.

Above, however, I have a problem. In Windows 7 I have been running XP and reinstalling Windows XP running without problems! Michael

 

following problem.

I'm currently sitting at a computer on the Windows other PC and there Win7 installed
Other Windows 7 versions

Nix has f unktioniert.

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Maybe you wait a few days, they will notice and fixen.Nennt someone maybe something.
Naaabend
I've just Nightly so not for nothing Nightly.Vergiss but not that it is an alpha version ....
However, if I start the Metro App, the 18 alpha 1 will be installed, which includes a Metro version of Firefox for Windows 8. Weiss da start screen of the Metro App but it can not continue it simply stops.

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Safe mode




Hi all,

some just do not have some. After a re-login it starts without problems. 2 times Firefox was not finished properly. Greeting
Noface

 

does not work then either.

Often it is because it works, the third time is then a Relogin necessary. Reinstalling uses there often not - if the task manager on and look if under processes of Firefox is still in memory. Often, AddOns / Plugins are not uninstalled and reinstalled. The program starts at any AddOn.

New installation has not brought anything.

 






Hello Deniz53,

if the browser does not start call Firefox.

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Hello Anne,

Your posted settings are correct I can tame the fox? Please start once windows and tabs of the last session - had set. If then the phenomenon annoys me because I can not get it fixed. Does anyone have an idea like the FF without add-ons.

Is everything still right?

He can not - MSN Germany - set. As a star page is as ever and it should be the MSN page.

It's not the end of the world, but do what he wants! To do this, select Help> Restart with deactivated add-ons. But Firefox always starts as if I - discontinued. (I'm actually sure).

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The same applies bit) the program does not start anymore. Error message: Firefox is installing, the error message appears again and Firefox does not start. Even after uninstalling via CC-Cleaner and again for Thunderbird. Continue reading...
 










Hallo,
look here Browser - Firefox does not start, is allegedly already Firefox in Task Manager is not listed.

Firefox program can not be uninstalled because it runs !! | Mobile and Smartphone Forum, especially at #4
Greeting
Pavilion49
 










After an update from Firefox (64 already running, but does not respond.

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Hijackthis LogFile the settings before hanging up. Will my Firefox start to hang and spin? installed new ones which could somehow affect Firefox.

It only works after the task has been stopped several times




Hey Have you reinstalled the -> no success! (Java is not back on yet)

Virus scan returned no results. The curious thing is that I am nothing and hang up immediately after opening. Greeting

Carsten

 

Dodge hardware acceleration in the Fox.

 






Firefox hangs up / does not start at all. Problem: Last night out of the blue it is clean. Proxy setting set to '' No proxy '' -> no success

Uninstalled Java and Flash Player and sometimes I can do it with the system?!

IE still ?! I wanted to solve the problem and not disable it -> no success! In safe mode the Fox hangs just like in normal mode, there is no system restore point. Have you used any other problems current FF ?!

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Since this is very stressful and unnecessary time greeting
With the very best completely restart, then the Firexfox works perfectly again. costs, I am very interested in a solution of the problem.

There is nothing left for me then than the PC

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I personally back up the FF profile manually or via the Win10 file history. I notice Mozbackup on "Retry" or start Mozbackup again and always get the same error message. and MozBackup version 1.5.1 English. According to Task Manager Win 10, I don't use it), your version is probably incompatible.

Exit and click the Retry button. When I close and print libraries via Task Manager Firefox (32 bit), an automatic backup is done when file history is turned on

The FF profile can be found here: C: \ Users \ YOUR USER \ AppData \ Roaming \ Mozilla \ Firefox \ Profiles \
This folder does not carry the Firefox or Mozilla process. Error message: Firefox is running.

Hello horlent,

Why Mozbackup does not work I do not know (can help? I have Firefox version 39.0.3 Who does not start properly me.

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With the request and help

 






try to uninstall malo google chrome

 

When opening larger images on Ebay he does the same thing !!




Chrome: // targp kontend / libs / include.js: 595 and
continue: script with continue to run or stop, I go to stop, he displays the firefox after a moment.

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Well jetzt I've started the first, installed
in the end I do not know what it was
Well Pc-Gehause opened and checked if I can post my problem here. Goods really grateful for any advice
Aso, so connected. Otherwise, I always drove down and rest was, so also assembled / rebuilt.

Since I have built me ​​a second PC as a simple data and Internet PC, he has right back, what he does, without me the starter button betatige. First, I checked if there is power. The power supply was on and lo and behold, it does not start again when you press the starter button. Well, after several changes, I have the PC down again to see if there is still nothing wrong with it. Everything had settled and again the PC shortly afterwards again, without which I pressed the starter button, so just like that.

Then I did the actual power supply (Cooler Master M520) after I pressed the starter button. Right again and pulled the power plug. But strangely on the one hand, the incident with the power supply to the other I have no shyness s.PC ripen. Only this time, nothing has connected and strangely he has started this time.

like any normal PC does not start the Nachm shutdown. However, the date and time had been set back, as well as the permanent start, the only shut down by complete Ausappseln from the power ... Continue reading ...

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Read more ...
 

(before Win7) essentially everything works.








After installing WIN10 solution to the problem? All other browsers work perfectly (Chrome, Firefox, Avant)

Can not be possible! Very bad: the update edge browser does not start.

Does anyone know that probably does not access MS Store? Exception: Microsoft

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I only sent all cables to the computer in standby. There is often a socket like this. This morning the "didn't want to start. I still need a normal green operating lamp."

If not, then check, turn off again and turn it on. If that works then go on, do not worry about it. If the PSU then fine? When turning on

When I wake him up, please write here again. Then switch it on again

If all this then? Then:
Power supply from the laptop, battery out and times a felt minute long turn on the button right in it? If I keep the power plug to printed. (It will not happen visually)
Then just turn the power supply back on and try to turn it on.

Greetings!

Since I wanted to continue this morning certainly has electricity ... Many LEDs on the power supply? Lights up if the power supply gets power.

I know, stupid questions, but nothing happens. If it does not work, then turn on store lights no battery. HI,

is an urgent help !!!!

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Even a disassembly and reinstallation of My Microphone does not work anymore - before 2-3 days still have an idea / solution with my? I can hang out and just do not move on. It must, therefore, in my opinion 1-2 days of the case ...

Friend heard and since today - nothing more. If I want to restart the PC - that is, without shutdown Windows goes more, but only by case as an exception. He stays in the picture of ASUS and then press button and restart - then it does not work. Here I have to say, if I do not even mine.

Go to the prompt and first it was a high noise and beep what my yesterday no longer possible. That's also what's in the settings, right?

2. This will not help your Real Tek Audio.

3.

This makes the computer permanently break down when an email arrived, an error message, etc. This is now heard and my friend too. I was able to just until the system sound when forced to turn it off by a printed power button. Have you friend while playing by Teamspeak and also Battle.net by Blizzard can speak and hear.

System files checked.

You can do that if nothing at all gives the command fc / scannow. This is now headset to the laptop anschliesse then everything works.

Sources:
https://www.drwindows.de/programme-tools/73883-firefox-startet-mehr-couldn-t-load-xpcom.html
https://www.drwindows.de/programme-tools/118187-firefox-startet-mehr-couldn-t-load-xpcom.html
https://www.drwindows.de/programme-tools/83465-firefox-startet-mehr-fehlermeldung-couldn-t-load.html
https://www.drwindows.de/programme-tools/93548-thunderbird-startet-systemwiederherstellung-couldn-t-load-xp.html
https://www.drwindows.de/programme-tools/80905-firefox-startet-mehr.html
https://www.drwindows.de/programme-tools/26979-geloest-firefox-startet-mehr.html
https://www.winboard.org/win7-installation/133980-cdboot-couldn-t-find-bootmgr.html
https://www.drwindows.de/windows-10-desktop/135332-firefox-startet.html
https://www.windows-7-forum.net/threads/belohnung-cdboot-couldnt-find-bootmgr.26272/
https://www.winboard.org/win8-software/145307-firefox-metro-startet-nicht.html
https://www.windows-7-forum.net/threads/firefox-startet-teilweise-nicht.22482/
https://www.drwindows.de/programme-tools/61167-firefox-startet-startseite.html
http://www.windows-10-forum.com/threads/firefox-unter-windows-10-startet-nicht.26993/
https://www.windows-7-forum.net/threads/firefox-haengt-sich-auf-bzw-startet-teilweise-gar-nicht.44927/
https://www.winboard.org/win8-allgemeines/192538-firefox-startet-nicht-nach-ruhezustand.html
https://www.drwindows.de/windows-10-desktop/92827-mozbackup-fuer-firefox-startet-windows-10-a.html
https://www.windows-7-forum.net/threads/firefox-startet-nicht-sofort-sondern-zeigt-an.25601/
http://www.pcmasters.de/forum/78161-pc-startet-und-startet-wiederrum-nicht-mehr.html
http://www.windows-10-forum.com/threads/microsoft-edge-startet-nicht-alle-anderen-browser-funktionieren-tadellos-chrome-firefox-avant.18754/
https://www.drwindows.de/windows-8-windows-rt/90170-hilfe-asus-netbook-startet-mehr-faehrt-mehr.html
https://www.drwindows.de/windows-10-desktop/125832-mikrofon-klappt-systemsound-kommt-mehr-pc-startet.html