How to fix constant Firefox crashing?

I am running Windows 10 and have a 1 TB hard drive.  It is a 32 bit computer with 4 gig of RAM.  I am familiar with the universal cure all "reboot".  I confess to liking to work with usually 10 or more tabs open.  Also the computer seems quite slow in general.

Now Firefox sometimes crashes with as few as 4 -6 tabs open.  How can I stop Firefox from crashing?
Columbia JonesOwnerAsked:
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strungCommented:
Try disabling all Firefox plug-ins and extensions and see if that solves the problem. If it does, add them back in one by one.
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Columbia JonesOwnerAuthor Commented:
I have clicked the disable or remove buttons for Skype and one other.  All that remains is Roboform.  I cannot function without Roboform even for an evening.  I will work for a while and see if it gets better.  Also Roboform offers an update which I have not done yet.  Do you think that might have any effect?
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strungCommented:
I would try the update. If that doesn't fix it, you may have to do a trial run without Roboform for an hour or two.

The other alternative is to uninstall Firefox and re-install, but if the problem really is a plug-in or extension, uninstalling may not necessarily remove them.
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strungCommented:
You could also enter

about:crashes

in the Firefox location bar and see what the crash reports say.

Makes sure your version of Firefox is up to date too.
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Alan HendersonRetired marine engineerCommented:
If reinstalling FF doesn't help, eliminate many external problems by running System File Checker:|

http://www.tenforums.com/tutorials/2895-sfc-command-run-windows-10-a.html
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Columbia JonesOwnerAuthor Commented:
Hi Strung,

Just disabling the 2 extensions, one of which was for Skype, seems to have helped possibly a lot.  I will get info from Roboform tomorrow to activate it on IE because when I recently switched from Windows 7 to 10 I lost access for Roboform on IE.  Then I will disable it on Firefox and see if that makes any more difference.  At the moment I am suspecting that Skype may have been the culprit.
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Columbia JonesOwnerAuthor Commented:
Hi Alan,

Interesting option.  What are some types of external problems are addressed by System File Checker?
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rindiCommented:
Are you sure it is just a 32 bit PC, and not a 64 bit PC only running a 32 bit OS? 32 bit hardware isn't that common anymore these days.

Did you upgrade from an older OS to Windows 10? If so, I would do a clean installation, there could be a lot of crap left over from the old OS which would be gone with a clean install. Use the media creation tool to download the correct Windows 19 iso that corresponds to your installed version (home or Pro). Only download the single image, not the combined 32bit/64bit iso which is also available. But if your PC actually is 64 bit, you can get the 64 bit version. The license will work.

Once you have the iso, boot the PC from the DVD you burnt from the iso, or the USB stick you made with it using the WinSetupFromUSB tool, and install the OS.Since the PC has already been registered and activated with the m$ servers, you can just skip where you get asked to input the product key. Once the system is installed and connected to the internet it will automatically activate.

http://www.microsoft.com/en-us/software-download/windows10

http://www.winsetupfromusb.com/

Once the system is ready, install your AV tool (or stay with the builtin defender), let Windows 10 do all updates, and then install only the software you really need. Be careful during the installation that you deselect useless options like other software or toolbar addons etc. Always make sure you select the advanced installation method, and read the setup screens before moving on.

Also look at PortableApps. This is a tool that allows you to add a lot of very useful OpenSource, free software which can replace for example m$ Office, Outlook, Photoshop, etc. It also includes Firefox, so you don't have to install that like you would normally. With PortableApps you could also put those programs on a USB stick and start them from there if you want. It handles updates of all those tools, it is a really good alternative to normal software. I only use that if possible...

http://portableapps.com
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Columbia JonesOwnerAuthor Commented:
I have a question about assignment of points and am going to call in on Monday on the phone.  This is not abandoned.  Just fell into the weekend so can't get them on the phone.
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Columbia JonesOwnerAuthor Commented:
This is not abandoned!
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Alan HendersonRetired marine engineerCommented:
@ Columbia
Sorry, I missed your question.

System File Checker is a free Microsoft utility built into Windows. It analyses the integrity of all system files and checks if any are missing. When puzzling faults crop up it's always worth running and it often helps.

Sometimes you'll need an installation DVD or USB stick to enable repairs, but (especially) if old Windows backup files haven't been removed, it's usually not essential.

There's a good description here along with some other helpful tools:
http://www.howtogeek.com/222532/how-to-repair-corrupted-windows-system-files-with-the-sfc-and-dism-commands/
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