How to Remove Mozilla Firefox Critical Error | Updated

I wrote this article to help you remove Mozilla Firefox Critical Error. This Mozilla Firefox Critical Error removal guide works for all Windows versions.

Do you see the Mozilla Firefox Critical Error pop-ups when you surf the web? If yes, be wary. The display of this “error” is a bad sign. A sing which indicates that there is a potentially unwanted program, lurking somewhere in the corners of your machine. That’s right, you have a PUP on board and it is the one forcing the Mozilla Firefox Critical Error ads on you on daily basis. Do not panic.

Yes, you are in a bad situation but it is not as bad as the Mozilla Firefox Critical Error try to make it seem. First of all, the “error” is not real. It is a scam. Do not believe a word it says. It is only trying to scare you and make you do something you will later regret. This is the good news. The bad news, however, is that the PUP is real and it is really in your system. Let`s explain.

The PUP entered your PC and is now forcing the Mozilla Firefox Critical Error pop-ups on you. Why? It wants you to panic and act against your best interests. According to the error, your machine is brimming with all kinds of infections which puts your security at risk. Also, the pop-ups suggest that in order to solve this problem you need to call a certain number and get in touch with “specialist”. Do not fall into that trap. For starters, the only infection you have on board is the nasty PUP.

Remove Mozilla Firefox Critical Error
The Mozilla Firefox Critical Error Virus

Second, if you call these people they will try to lure you into purchasing some useless, fake anti-malware program. Once again, your PC is fine, aside from the PUP. Do not trust these people. They are after your money. They want you to panic because this way you will be more willing to do what they say. Stay calm. See the scam exactly as it is and don’t make your situation worse by trusting cybercriminals. Do not contact them and do not do anything they suggest. It will not be in your best interest. You do not need a special program to deal with this PUP. You can do it yourself.

Once you spot the Mozilla Firefox Critical Error pop-ups, start looking for the infection`s hiding place and when you find it, remove it upon discovery. Do not hesitate and do not waste time in debates. Getting rid of the PUP is the best course of action you can take. Once it is gone, the Mozilla Firefox Critical Error warning will be gone as well. Your browsing experience will get back to normal. Act! Use our removal guide below and clean your PC from this plague. The sooner you do, the better.

How did the PUP get in? As we said, the Mozilla Firefox Critical Error appeared because of the PUP and the PUP itself didn’t appear out of the blue. It used sneaky tactics to enter your system. Some of these tactics include spam email messages, freeware bundles, corrupted link and pages, third-party ads, fake updates, unverified torrents, etc. If you are distracted and careless, each of these methods will work. But if you are more vigilant, neither of them will work.

Pay more attention when you are online. Do not make hacker`s job easier by turning yourself into an easier target. Also, get yourself a good anti-malware program to help you in the battle against cyber infections. Always keep it up to date and regularly scan your computer to be sure it is clean.

Mozilla Firefox Critical Error Uninstall

STEP-1 Run the Task Manager by right clicking on the Taskbar and choosing Start Task Manager.

task manager

Look carefully at the file names and descriptions of the running processes. If you find any suspicious one, search on Google for its name, or contact me directly to identify it. If you find a malware process, right-click on it and choose End task.


Open Control Panel by holding the Win Key and R together. Write appwiz.cpl in the field, then click OK.


Here, find any program you had no intention to install and uninstall it.


Open MS Config by holding the Win Key and R together. Type msconfig and hit Enter.


Go in the Startup tab and Uncheck entries that have “Unknown” as Manufacturer.

Still can not remove Mozilla Firefox Critical Error from your computer? Please, leave a comment below, describing what steps you performed. I will answer promptly.

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