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How to Reset Firefox to Default
Information
This tutorial will show you how to completely reset Firefox to default, or reset Firefox while saving your bookmarks, browsing history, passwords, cookies, and Web form auto-fill information.
EXAMPLE: Firefox reset to default NOTE:This is how Firefox will open after being reset.
OPTION ONE
To Completely Reset Firefox to Default using a BAT File Download
NOTE:This option will completely reset Firefox to default like when you first installed Firefox. Nothing will be preserved.
1. If you have not already, you will need to close all Firefox browser windows/tabs first.
2. Click/tap on the download button below to download the file below, and go to step 3 below.
Reset_Firefox_Completely.bat
3.Save the .bat file to your desktop, and run it.
4. If prompted, click/tap on Run. NOTE:If you like, you can stop getting the Run prompt by unblocking the downloaded .bat file.
5. You will now notice a command prompt quickly open and close as Firefox is reset.
Note
The .bat file deletes the two hidden folders below.
6. When finished, you can delete the downloaded .bat file if you like.
7. The next time you run Firefox, it will be reset back to default, and you will see this below before Firefox opens.
OPTION TWO
To Completely Reset Firefox to Default using Profile Manager
NOTE:This option will completely reset Firefox to default like when you first installed Firefox. Nothing will be preserved. Thanks to our member lehnerus2000 (Peter) for pointing this option out.
1. Press the Windows + R keys to open the Run dialog, type firefox.exe -p, and press Enter.
2. In the profile manager, select the default profile, and click/tap on Delete Profile. (see screenshot below)
3. Click/tap on Delete Files. (see screenshot below)
4. Click/tap on Exit. (see screenshot below)
5. The next time you run Firefox, it will be reset back to default, and you will see this below before Firefox opens.
OPTION THREE
To Reset Firefox to Default while Saving your Essential Information
NOTE:This option will reset Firefox to default, but will keep your bookmarks, browsing history, passwords, cookies, and Web form auto-fill information.
2. Click/tap on the Firefox button (top left corner), Help, Troubleshooting Information, and go to step 4 below. (see screenshot below)
3. Click/tap on Help (Menu bar), Troubleshooting Information, and go to step 4 below. (see screenshot below)
4. In the Troubleshooting Information tab, click/tap on Reset Firefox button. (see screenshot below)
5. Click/tap on Reset Firefox button. (see screenshot below)
6. Firefox will now close, reset, and restart. You will see this below for a few seconds before Firefox opens automatically or you could click/tap on Finish. (see screenshot below)
7. After the reset is finished, your old Firefox profile information will be placed on your desktop in a folder named Old Firefox Data. If the reset didn't fix your problem you can restore some of the information not saved by copying files to the new profile that was created. See Copying files between profile folders for instructions. If you don't need this folder any longer, then you should delete it as it contains your sensitive information.
System Manufacturer/Model Number Hewlett packard/p6512uk OS Microsoft Windows 7 Home Premium 64-bit 7600 CPU IIx4 amd athelon 635 processor Motherboard FOXCONN 2AA9 Memory 2x2gb Graphics Card ati radeon HD 5450 Sound Card (1) Realtek High Definition Audio (2) AMD High Definition Monitor(s) Displays samsung lcd tv 32" Screen Resolution 1360x 768
Keyboard wireless hp Mouse wireless Hp,optical PSU ? Cooling air! Hard Drives (1) WDC WD10 01FAES-60Z2A0 SATA Disk Device (2) Maxtor OneTouch USB Device (3) ST310003 33AS USB Device (4) WD My Book 1111 USB Device Internet Speed 1.10mb/s Antivirus MSE Browser Firefox
Good tutorial shawn, maybe next one on how to back up and restore your firefox profile also.
You should be able to do that the "old fashioned way".
Select the Profiles folder (inside C:\Users\<User Name>\AppData\Roaming\Mozilla\Firefox\Profiles)
Copy it to your backup location
Additional
I noticed something interesting on my PC.
I have multiple profiles (only one is in the default location, the others are on another partition).
Only the profile in the default location has a folder inside C:\Users\<User Name>\AppData\Local\Mozilla\Firefox\Profiles
If I create a new profile:
In the default location, a folder is also created in ... AppData\Local\ ...
In another location, a folder isn't also created in ... AppData\Local\ ...
Last edited by lehnerus2000; 29 Jan 2013 at 11:26 PM..
Reason: Additional
System Manufacturer/Model Number n/a OS Windows 7 Ultimate SP1 (64 bit), Windows XP SP3, Linux Mint 14 MATE (64 bit) CPU AMD Phenom II x6 1055T, 2.8 GHz Motherboard ASRock 880GMH-LE/USB3 Memory 8GB DDR3 1333 G-Skill Ares F3-1333C9D-8GAO (4GB x 2) Graphics Card ATI Radeon HD6450 Sound Card Realtek? Monitor(s) Displays Samsung S23B350 Screen Resolution 1920x1080
Mouse Wired Optical Case Tower Hard Drives Western Digital 1 TB (SATA), Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA) Internet Speed DSL Other Info Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
RAM & Graphics Card Upgraded - 2013-01-13
Monitor Upgraded - 2012-04-20
System Upgraded - 2011-05-21, 2010-07-14
HDD Upgraded - 2010-08-11, 2011-08-24
System Manufacturer/Model Number n/a OS Windows 7 Ultimate SP1 (64 bit), Windows XP SP3, Linux Mint 14 MATE (64 bit) CPU AMD Phenom II x6 1055T, 2.8 GHz Motherboard ASRock 880GMH-LE/USB3 Memory 8GB DDR3 1333 G-Skill Ares F3-1333C9D-8GAO (4GB x 2) Graphics Card ATI Radeon HD6450 Sound Card Realtek? Monitor(s) Displays Samsung S23B350 Screen Resolution 1920x1080
Mouse Wired Optical Case Tower Hard Drives Western Digital 1 TB (SATA), Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA) Internet Speed DSL Other Info Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
RAM & Graphics Card Upgraded - 2013-01-13
Monitor Upgraded - 2012-04-20
System Upgraded - 2011-05-21, 2010-07-14
HDD Upgraded - 2010-08-11, 2011-08-24
The other option in the "Delete Files" window, "Don't Delete Files" removes the profile from the "Firefox - Choose User Profile" window, but it leaves all of the files on your HDD.
System Manufacturer/Model Number n/a OS Windows 7 Ultimate SP1 (64 bit), Windows XP SP3, Linux Mint 14 MATE (64 bit) CPU AMD Phenom II x6 1055T, 2.8 GHz Motherboard ASRock 880GMH-LE/USB3 Memory 8GB DDR3 1333 G-Skill Ares F3-1333C9D-8GAO (4GB x 2) Graphics Card ATI Radeon HD6450 Sound Card Realtek? Monitor(s) Displays Samsung S23B350 Screen Resolution 1920x1080
Mouse Wired Optical Case Tower Hard Drives Western Digital 1 TB (SATA), Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA) Internet Speed DSL Other Info Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
RAM & Graphics Card Upgraded - 2013-01-13
Monitor Upgraded - 2012-04-20
System Upgraded - 2011-05-21, 2010-07-14
HDD Upgraded - 2010-08-11, 2011-08-24
System Manufacturer/Model Number n/a OS Windows 7 Ultimate SP1 (64 bit), Windows XP SP3, Linux Mint 14 MATE (64 bit) CPU AMD Phenom II x6 1055T, 2.8 GHz Motherboard ASRock 880GMH-LE/USB3 Memory 8GB DDR3 1333 G-Skill Ares F3-1333C9D-8GAO (4GB x 2) Graphics Card ATI Radeon HD6450 Sound Card Realtek? Monitor(s) Displays Samsung S23B350 Screen Resolution 1920x1080
Mouse Wired Optical Case Tower Hard Drives Western Digital 1 TB (SATA), Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA) Internet Speed DSL Other Info Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
RAM & Graphics Card Upgraded - 2013-01-13
Monitor Upgraded - 2012-04-20
System Upgraded - 2011-05-21, 2010-07-14
HDD Upgraded - 2010-08-11, 2011-08-24
Information
OPTION ONE 
Note
Quote: Originally Posted by boohbah 
Reset CMD to default settings? 
