Download Firefox Full Version For All languages And Systems {web link} Save the file. Then;

Using your file browser, open the Programs Folder on your computer.

Windows: C:\Program Files C:\Program Files (x86) Mac: Open the "Applications" folder. Linux: Check your user manual.

• Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory.

edit: removed poor advice about registry and deleting Profiles.

What are the problems you are having?

FredMcD said

What are the problems you are having?

Constantly being signed out of every website.

You may have a corrupt cookies.sqlite file.

Type about:support in the address bar and press enter.

Under the page logo on the left side you will see Application Basics. Under this find Profile Folder. To it’s right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Locate the cookies.sqlite file. Then rename or delete it. Restart Firefox.

FredMcD said

You may have a corrupt cookies.sqlite file. Type about:support in the address bar and press enter. Under the page logo on the left side you will see Application Basics. Under this find Profile Folder. To it’s right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox. Locate the cookies.sqlite file. Then rename or delete it. Restart Firefox.

Well if that's the case it's been done 10 times over and keeps happening.

Are you logged out while at the site? When you restart Firefox or the computer?

https://support.mozilla.org/en-US/kb/how-to-fix-preferences-wont-save

Note: Some software, like Advanced SystemCare with Surfing Protection, can protect files in the Firefox profile folder against changes. If you have such software then check the settings or uninstall this software.

FredMcD said

Are you logged out while at the site? When you restart Firefox or the computer? https://support.mozilla.org/en-US/kb/how-to-fix-preferences-wont-save Note: Some software, like Advanced SystemCare with Surfing Protection, can protect files in the Firefox profile folder against changes. If you have such software then check the settings or uninstall this software.

It can be while at the site. I deleted the cookies file yet again (11th time) and it's ok for now but it will for sure come back. I can go to facebook.com have to login then scroll my feed a minute or two and go to post and have to login again. So it's live while in the browser. This computer is my daily and also the media server for our house so it's always on and there is always a browser window opened. I only reboot after running windows update once or twice a week.

I also don't have any programs like you mentioned that run. The only programs aside from ones that have nothing to do with the internet or a browser are MSE and Malwarebytes. The browser itself only has adblock and xmailnotifier installed as addons. There isn't any tool bars or any of that trash and I don't go to sites I don't regularly requent and trust. Mostly forums, facebook, paypal, our bank sites, ebay, etc nothing off the wall.

Following your link above. I've refreshed FF and the problem came back about 24 hours later. Refreshing keeps cookies etc and deleting the cookies file has worked for more then 24 hours.

I've uninstalled FF many times from the add remove in control panel and gone in and manually removed the remaining folders all to have the problem come back again. Which is why I was wondering how to clear the registry of any firefox traces and start completely from scratch. I really don't want it to come to another fresh format and reload.

I'm not sure if I want to go through setting this computer up all over again just for a browser but I sure don't want to continue using it with this problem.

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options) key, and then starting Firefox. Is the problem still there?

While still in Safe Mode,

Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Then in the reply box at the bottom of this page, do a right click in the box and select Paste. This will show us your system details. No Personal Information Is Collected.

and after deleting the cookies file yesterday it's back to not remembering me. So I'll try the safemode bit today and see what that does.

Application Basics

Name: Firefox Version: 41.0.1 Build ID: 20150929144111 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0 Multiprocess Windows: 0/1 (default: false)

Crash Reports for the Last 3 Days

All Crash Reports

Extensions

Name: Adblock Plus Version: 2.6.11 Enabled: false ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}

Name: WebSlingPlayer Version: 2.4.0.152 Enabled: false ID: {9EB34849-81D3-4841-939D-666D522B889A}

Name: X-notifier Version: 3.5.15 Enabled: false ID: {37fa1426-b82d-11db-8314-0800200c9a66}

Graphics

Adapter Description: Intel(R) HD Graphics 4000 Adapter Drivers: igdumdim64 igd10iumd64 igd10iumd64 igdumdim32 igd10iumd32 igd10iumd32 Adapter RAM: Unknown Asynchronous Pan/Zoom: none ClearType Parameters: Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 400 Device ID: 0x0162 DirectWrite Enabled: false (6.2.9200.17461) Driver Date: 8-17-2015 Driver Version: 10.18.10.4276 GPU #2 Active: false GPU Accelerated Windows: 0/1 Basic (OMTC) Subsys ID: 00000000 Supports Hardware H264 Decoding: false Vendor ID: 0x8086 windowLayerManagerRemote: true AzureCanvasBackend: skia AzureContentBackend: cairo AzureFallbackCanvasBackend: cairo AzureSkiaAccelerated: 0

Important Modified Preferences

browser.cache.disk.capacity: 358400 browser.cache.disk.filesystem_reported: 1 browser.cache.disk.smart_size.first_run: false browser.cache.frecency_experiment: 1 browser.download.importedFromSqlite: true browser.places.smartBookmarksVersion: 7 browser.search.suggest.enabled: false browser.sessionstore.upgradeBackup.latestBuildID: 20150929144111 browser.startup.homepage_override.buildID: 20150929144111 browser.startup.homepage_override.mstone: 41.0.1 dom.apps.reset-permissions: true dom.mozApps.used: true extensions.lastAppVersion: 41.0.1 gfx.direct3d.last_used_feature_level_idx: 0 gfx.driver-init.appVersion: 41.0.1 gfx.driver-init.deviceID: 0x0162 gfx.driver-init.driverVersion: 10.18.10.4276 gfx.driver-init.feature-d2d: true gfx.driver-init.feature-d3d11: true gfx.driver-init.status: 2 media.gmp-eme-adobe.lastUpdate: 1444424589 media.gmp-eme-adobe.version: 13 media.gmp-gmpopenh264.lastUpdate: 1444424589 media.gmp-gmpopenh264.version: 1.4 media.gmp-manager.buildID: 20150929144111 media.gmp-manager.lastCheck: 1444748310 media.hardware-video-decoding.failed: false network.cookie.prefsMigrated: true network.predictor.cleaned-up: true places.database.lastMaintenance: 1444425549 places.history.expiration.transient_current_max_pages: 104858 plugin.disable_full_page_plugin_for_types: application/pdf plugin.importedState: true privacy.sanitize.migrateFx3Prefs: true storage.vacuum.last.index: 1 storage.vacuum.last.places.sqlite: 1444425549

Important Locked Preferences

JavaScript

Incremental GC: true

Accessibility

Activated: false Prevent Accessibility: 0

Library Versions

NSPR Expected minimum version: 4.10.8 Version in use: 4.10.8

NSS Expected minimum version: 3.19.2 Basic ECC Version in use: 3.19.2 Basic ECC

NSSSMIME Expected minimum version: 3.19.2 Basic ECC Version in use: 3.19.2 Basic ECC

NSSSSL Expected minimum version: 3.19.2 Basic ECC Version in use: 3.19.2 Basic ECC

NSSUTIL Expected minimum version: 3.19.2 Version in use: 3.19.2

Experimental Features

Start in safe mode and places I was logged out of before starting in safemode I'm logged in now. So something is jacked up for sure.

What I want you to do is create a new/blank profile, and use it. Make NO changes at this time. Is the problem still there?

https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile

https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible

Any change if you use a New Private Window to test for issues in the current session?

A PB mode windows uses its own cookie jar that lasts as long as there is at least on PB mode tab or window open, so you can't use this across a session when you close and restart Firefox.

Are you using a direct connection or do you connect via a proxy?

• Tools > Options > Advanced > Network : Connection > Settings

See "Firefox connection settings":

• https://support.mozilla.org/kb/Firefox+cannot+load+websites+but+other+programs+can

Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) to see if that helps.

• http://www.bleepingcomputer.com/tutorials/how-to-start-windows-in-safe-mode/
• http://www.7tutorials.com/4-ways-boot-safe-mode-windows-10

So I said screw it and reformatted my drive and installed windows 10 this time. After 24hrs Firefox is back to constantly not remembering my logins all over again. This is old and rediculous. I can't see how I'm the only one that is having this problem. It's been doing it since one of the more recent updates.

You know those updates that install even though you have it set to not update. Firefox has sure gone down hill.

It would be nice to run a v30ish browser and not have it update. I bet my problem will be gone then.