Uninstall an older version of Firefox running on the same PC as an updated version of Firefox without uninstalling the updated FF, or del bookmarks, addons etc

I have both v30.0 and 37.0.1 of FF currently installed and my Bitdefender suggests I update FF 30 but everytime I try it states I already have an updated Firefox. (also shows up in Windows Programs and Features)
I've tried uninstalling 30 but it seems that if I attempt to do so it requires me to uninstall 37 (with all my themes, addons, history, passwords etc) on it.
Is there, a way to uninstall just the older version of FF without risking any of my files. Or is there a way to take all my personal files with me, then do a clean install, then import my personal files?

In the bottom of the page, there is a link which shows how to [[Back up and restore information in Firefox profiles]].
So backup your profile and uninstall both of your Firefox version. Then make a fresh install and restore your data.
Is my think clear this time? :)

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Have an older 17 MacBook Pro, running OS 10.5.8. Software update says everyting is current. Just bought new iPhone 5S. Mac won't recognize phone, says I need newer version of iTunes. Have no problem with computer recognizing old phone or iPad.

Have an older 17 MacBook Pro, running OS 10.5.8. Software update says everyting is current. Mac doesn't have iCloud, preferences still shows MobileMe. Just bought new iPhone 5S. Mac won't recognize phone, says I need newer version of iTunes. Have no problem with computer recognizing old phone 3 or 1-1/2 year old iPad. I suspect I need to update OS, but as software update isn't telling me to do so, can I? What version would I need to go to?

Your MacBook Pro can be updated to run Mac OS X "Snow Leopard". Buy it. That will enable you to run the latest iTunes version.
Online (US): http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard
Online (UK): http://store.apple.com/uk/product/MC573/mac-os-x-106-snow-leopard
Germany: http://store.apple.com/de/product/MC573/mac-os-x-106-snow-leopard
Elsewhere: call the phone number in the Apple Online Store
Apple's price is $19.99, £14.00, €18.

How to download older version of app without downloading it in pc?

I Have ios 6.1.6 and many apps require higher version so i have to first dwld them in my pc then in my iphone coz if only i try to dwld it in iphone it doesnt allow.do i always have to dwld it two two times is there any other way..its eats my data...help

Tell us what issues you're having and we may be able to find a solution. How much free space do you have on your MBP. You are running 9.5 and Mavericks, correct?
Explain in detail what problems you're having, i.e. what you see, any messages you're getting, etc.
OT

Can't open Firefox any more. Shows up in processes but never activates. It was coming up yesterday but running at around 120k. Did my updates, tested my plug-ins, extensions, etc. but now can't even use it. Any suggestions?

Firefox was working fine but started having crashes this week. Concurrent with multiple problems I'm having with a new Brother printer with driver downloaded via Firefox. No viruses, no spyware, cleaned cache, deleted cookies - have done everything I can think of. And then today, can't even open Firefox though it does show up in processes at around 30K. Yesterday it was coming up at 100k+ when it was working but was very slow. For example, my email through AOL, it duplicated every email I opened, crippling the whole process. Turned off compatability mode - have done everything suggested via the Firefox site. If I have to reinstall it, is there a way I can save my bookmarks?

You could experiment with giving OBP the absolute path to that USB device, but I doubt you'll be successful. The Sunfire 280R (same hardware as the Sunblade 1000, Sunblade 2000, and Netra 20) design expected USB to be only for keyboard and mouse, not for any storage devices. If booting ever works manually from a USB stick, then you could create a custom alias for the device.
Try an experiment by using a CD or DVD of an older release of Solaris 10 instead of the current release.
[http://www.sun.com/software/solaris/releases.jsp|http://www.sun.com/software/solaris/releases.jsp]
The earlier ones need fewer hardware resources. I also recall a few forum posts that seem to suggest the bootblock structure on the CD's and DVD's of those earlier releases was more compatible with older hardware.
You might also need to get yourself a copy of the OBP 4.x Command Reference Manual, document No. 816-1177
[http://dlc.sun.com/pdf/816-1177-10/816-1177-10.pdf|http://dlc.sun.com/pdf/816-1177-10/816-1177-10.pdf]

I am using PS CC can I delete older versions of PS without creating any issues?

Would love to clear up some disk space. I am using PS CC and have PS CS5 & CS6 installed. Can I delete both of them without creating any issues?
Thanks,
Abel

Theoretically, yes. Though I recommend you do an "Uninstall" rather than a delete. I say "theoretically" because I once had a very nasty problem trying to uninstall a CS3 BETA release that resulted in an inability to properly install any subsequent releases. This was on Windows Vista.
This is old, but should apply: FAQ: How do I uninstall the Photoshop CS6 beta?

I upgraded Firefox without knowing I needed to save my bookmarks, which are now lost. How can I get them back?

Basically I went to upgrade and I dragged Firefox to the applications folder (I am on a MacBook) and clicked replace old file of firefox. When I reopened my browser, I no longer had any bookmarks.

Depends on what actually happened
Here are two articles concentrate on the part about
going to your profile directory on your system then
up one level to see if you have other profiles, and if the
dates match when you last had your profile, bookmarks
and many other settings.
lost bookmarks:
*https://support.mozilla.com/questions/838397
*https://support.mozilla.com/questions/841635

How can I get an older version of ibooks?

Sorry if this question has previously been answered....I cant find a direct answer.
I purchased a 1st gen ipad in pristine condition. Unfortunately I cannot find an older version of ibooks anywhere. istore will not allow me to install the newer version because of compatibility issues. ( I have OS 5.1.1 ) I am not offered a compatible version through the store. Reading is important to me and I love the ipad. Is there anything I can do? Thanks in advance.

HI! I have a somewhat similar problem I have an iPad with an iOS 5. I already have downloaded the iBooks and been using it for a long time. The problem is that i used my Apple ID on an iPhone 4 with an updated iOS 7 and downloaded iBooks on that device. When i checked my iPad, i can't access the iBooks anymore. It started to reinstall by itself but it is only installing halfway. Same problem i have with my Twitter app. I have already logged out my Apple ID on the iPhone 4 and tried to reinstall iBooks on my iPad but its says that it is already iBook 3 and that it is only compatible with iOS 7. How can I reinstall the older version of iBooks without losing all the books that I have placed on it? Please, i badly need your help. Thank you!

Install older version skype

Today my skype updated to 7 and I absolutely hate it.
How do I revert back to my older version skype.
I dont want to lose any of my history etc.
thank you

You don't. Msoft have decieded that treating their customers like **bleep** is more productive. You can of course, go and try the Skype for Web which will equally p*ss you off as it does nothing.
Don't ask me why MSoft would try to force their entire customer base to change their password and have to reinitiate all their contacts - it is mindboggling that they are so arrogant.

I was using Delicious to keep my bookmarks accross different computers. Delicious doesn't seem to be accessible from Firefox 4. How can I import my bookmarks into Firefox bookmarks? Or do you have another solution to access them?

how do i access my delicious bookmarks with Firefox 4.0?

To revert to the previous secure version which is 3.6.19, please do the following: 
#Go to [http://www.mozilla.com/en-US/firefox/all-older.html Download Firefox v3.6.19] and download it to the desktop. 
#Then go to Add/Remove Programs, scroll down to "Mozilla Firefox" and remove it, choosing to keep your bookmarks, customizations etc., (''don't checkmark the box''). 
#Then reboot and delete the folder called "Mozilla Firefox" at this location: C:\Program Files\Mozilla Firefox 
#Finally run the installation file you downloaded to the desktop earlier. 
Your bookmarks, customizations etc., are maintained in a different location and will become available to you again once you complete the installation. 
Having said that, it's always wise to have a backup handy just in case. So please do the following. 
#Click the orange Firefox button and choose "''Bookmarks''", then "''Show All bookmarks''" to open the Bookmarks Manager. 
#Click the link to ''Import and Backup'' at the top. 
#Click "'''Export HTML'''" and save the file somewhere. 
After you complete the installation, please go to the [http://www.mozilla.com/en-US/plugincheck/ Plugins Check] page and update where necessary.

Just updated to 8 & now I can't open any web pages & firefox is still running in the background after browser was closed. I uninstalled and reinstalled as well as disabled add-ons and plugins nothing has changed, can I downgrade back to on older version?

Just updated to 8 & now I can not open any web pages as well as firefox will not close out, it still running in the background after browser was closed. I uninstalled and reinstalled as well as disabled add-ons and plugins nothing has changed, can I downgrade back to on older version?

See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
See "Firefox hangs when you quit it":
*https://support.mozilla.com/kb/Firefox+hangs
A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls

Firefox hangs/crashes wont' load; i've uninstalled/reinstalled; safe mode also; older version also; it used to work

Firefox was working prior to updating to version 17. Then when I click it, it won't start. I tried to start in Safe Mode, also Reset Mode. I tried to uninstall version 17, and do a clean install. Also, I cannot run an older version of Firefox since there is something wrong with my System Restore which isn't keeping a copy. I have been doing things for sometime now. The addons don't seem to be the problem meaning it will start briefly once or twice, but it won't keep working. It just says to start in Safe Mode or Reset, it works once, then same problem reappears. Thanks. also, i've looked at the Profiles, but when I do, it also has a problem starting so I can't create a new profile. I've also tried running Firefox 14. Same thing. Everything is working same way. Any help is badly needed? I have also tried to run malware software. I can't do the memtest. Its too hard for me to try, but I don't think it's my memory. I stopped using FF since it's taken so long to try to fix. I don't won't to do a complete restore of my computer, but it sounds like my only option. What could possibly be wrong? Do I need to show you a HIjack this file. Thanks.

http://kb.mozillazine.org/Standard_diagnostic_%28Firefox%29

I need to download Firefox 1.5 or 2.0 in order to run a program that is not supported in the newer versions of firefox. How can I get the older versions?

I need an older version of Firefox to run a program that is only supported on Firefox 2.0 or 1.5. Where can I download this older version of Firefox?
== This happened ==
Not sure how often
== User Agent ==
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; en-us) AppleWebKit/531.22.7 (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7

Try the portable version: http://www.freesmug.org/portableapps/firefox/

How do I get and install an older version of Firefox to run on my Mac 10.4.11?? I mistakenly installed a new version that overrode my older version which isn't suitable for my Mac.

We get a message that says "You cannot use the application 'Firefox.app' with this version of Mac OS X.
How do I reinstall an older version of Firefox that works on our Mac??

For older Macs that aren't supported in Firefox 4+ versions, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 . 
http://www.floodgap.com/software/tenfourfox/ 
http://tenfourfox.blogspot.com/ 
https://code.google.com/p/tenfourfox/wiki/PluginsNoLongerSupported

Since updating I can't click on horizontally placed links, buttons etc have uninstalled and reinstalled still doing it. Cant even see how to get an older version that did work and have run a virus check. explorer works

Firefox was automatically updated to 7 and now all the websites I go on the horizontal active things you would click on will not do anything. eg in ebay I can't access "My ebay" and in facebook can't click on my profile or messages, in Flickr I can't click on "Your Photostream" which means I can't use it. I tried explorer and all these work so it has to be firefox. I uninstalled and reinstalled and ran a complete system virus check on top of the active ongoing one and nothing no change. I am at a loss what to do now. A relative suggested downloading an older version that worked but I can't even see how to do that. I would appreciate help so I could use firefox as in the meantime I am stuck with exporer which I hate. Thanks

This issue can be caused by the Yahoo! Toolbar extension
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

It will not run on Mac OSX 10.5.8, on a G% dual 2.0ghz, now my older version of Firefox is gone...

I downloaded Firefox 4.0 and It will not run on Mac OSX 10.5.8, on a Mac G5 dual 2.0ghz. Now my older version of Firefox is gone...Why won't it work, the download page says it is for OSX and does not say it will not work on any particular OSX. Can your clarify. And can I get the old Firefox 3 back or should I continue using Safari....?

Yes I've read every one of them, none of them provide solutions whatsoever, I have spent about ten hours on this site in the past two days to no avail, none of the "resolved" threads provided any sort of solution for me, I have tried everything suggested on this website so far, multiple times, to no avail.

Uninstall an older version of Firefox running on the same PC as an updated version of Firefox without uninstalling the updated FF, or del bookmarks, addons etc

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