Remove/Uninstall Thunderbird in Windows Completely

July 7, 2013 Updated: How do I uninstall Thunderbird 17 from Windows 8?

Our WindowsUninstaller.org experts specializing in any PUA removal has re-updated this "How-to" page about uninstalling Thunderbird on a Win 8 computer: the following instructions has unveiled all of the necessary methods to completely uninstall Thunderbird. If the Method part below do NOT sense to you Windows beginners, ya should utilise the recommended uninstaller PRO here to force remove your half-uninstalled Thunderbird N/or any other unwanted apps in your computer system.

How can I uninstall Thunderbird 17.0.6 (x86 en-US) smoothly and completely?

  1. I click OK on the following System Integration box.
  2. Uninstall Thunderbird 17 - 1

  3. I choose the "I think I’ll configure my account later." option from the "Welcom to Thunderbird" window.
  4. Uninstall Thunderbird 17 - 2

  5. I hit the Close button on right top of Thunderbird’s new interface.
  6. Uninstall Thunderbird 17 - 3

  7. Now, I’ll use the following plans gathered to uninstall Thunderbird v17:
  8. “How-to” guide #1: The traditional method used in Windows app removal

    Note If, ya are one of users are having problems uninstalling Thunderbird via Windows Uninstall, you download this professional uninstall tool on your computer, install and run it without unnecessary delay.

    • I direct open up Control Panel on my display.
    • I enter the Uninstall a program in the CP window.
    • I locate the "Mozilla Thunderbird 17.0.6 (x86 en-US)" item (size, 42.5 MB) in the list of Uninstall or change a program; then I simple hit the Enter key to automatically uninstall Thunderbird from my W8 system.
    • Uninstall Thunderbird 17 - 4

    • I follow the Mozilla Thunderbird Uninstall below and press the Next > button on it.
    • Uninstall Thunderbird 17 - 5

    • Then Mozilla Thunderbird Uninstall informs me that "Uninstall Mozilla Thunderbird. Remove Mozilla Thunderbird from your computer. Thunderbird will be uninstalled from the following location: C:\Program Files\Mozilla Thunderbird"; I follow the wizard and click the Uninstall to continue.
    • Uninstall Thunderbird 17 - 6

    • Finally, I click on Finish button when Mozilla Thunderbird Uninstall tells me it’s completing the standard uninstall process.
    • Uninstall Thunderbird 17 - 7

    “How-to” guide #2: An alternative to Windows Uninstall above

    • I go to Thunderbird’s default installation location, a file folder I’ve mentioned above.
    • I enter the following uninstall folder in Mozilla Thunderbird.
    • Uninstall Thunderbird 17 - 8

    • I right click on the helper.exe (an app that can help me automatically uninstall Thunderbird), choose the "Run as administrator" option on my right menu.
    • Uninstall Thunderbird 17 - 9

    • I click Yes on the UAC below.
    • Uninstall Thunderbird 17 - 10

    • I reuse the Mozilla Thunderbird Uninstall wizard below to remove Thunderbird on my Windows.
    • Uninstall Thunderbird 17 - 11

You couldn’t copy your email or messages employing Thunderbird 10? Or your Inbox had been full of spam mails? Or ya encountered some fatal errors when you tried to create an account?

Well, you first make a backup for your currently installed Thunderbird client, including the saved/created app settings and more, then follow my expert tips to uninstall Thunderbird from your machine. Use the recommended uninstall tool to completely remove your mail app in your system.

Plan A: How to Fast Uninstall Thunderbird 10 from Your XP System?

1. Right click on the shortcut icon for Mozilla Thunderbird, click Find Target… tab in it; then click Up button in Address bar N then you enter the uninstall file folder below.

2. Run helper.exe, the Thunderbird Helper, application as Administrator to automatically uninstall Thunderbird 10. U may learn more details about that setup app.

helper.exe Info Review

  • Title: helper.exe
  • Type of file: TB Helper
  • Description: TB Helper
  • Location: C:\Program Files\Mozilla Thunderbird\uninstall
  • Size: 899 KB (921,168 bytes)
  • Size on disk: 900 KB (921,600 bytes)
  • File version: 1.0.0.0
  • Copyright: Mozilla Messaging
  • Company: Mozilla Messaging
  • File Version: 10.0
  • Language: Language Neutral
  • Legal Trademarks: Thunderbird is a Trademark of The Mozilla Foundation.
  • Original File name: helper.exe
  • Product Name: Thunderbird
  • Product Version: 10.0
  • Digital Signatures: Yes

Plan B: You also can uninstall Thunderbird 10 employing Add/Remove Programs in Control Panel

1. Find Mozilla Thunderbird 10.0 (x86 en-US) item (38.06MB) in the programs list, click Remove button on it and start uninstalling Thunderbird 10 automatically.

2. Click Next > button on Mozilla Thunderbird Uninstall box.

3. Then click Uninstall to automatically uninstall Thunderbird. Ya just need to wait for seconds while the Mozilla Thunderbird Uninstall helps you remove the mail client N delete its associated files in Drive C.

4. To save your time, you may ignore the "Tell us what you thought of Thunderbird" option. Then click Finish.

5. Save your work, reboot your machine then.

Detect, delete Thunderbird’s file leftovers…

  • Thunderbird, file folder, C:\Documents and Settings\Administrator\Application Data, 12.3 MB (12,911,024 bytes), contains 36 files, 9 folders
  • Thunderbird, C:\Documents and Settings\Administrator\Local Settings\Application Data, 1.03 MB (1,088,554 bytes), contains 5 files, 20 folders
  • Mozilla Thunderbird, an empty file folder, left in C:\Program Files
  • Thunderbird SETUP 10.0.EXE-29B4C311.pf, C:\WINDOWS\Prefetch
  • Thunderbird.EXE-38CA75D9.pf, 71.5 KB (73,312 bytes)

Clean Mozilla’s registry keys to completely uninstall Thunderbird

  • HKEY_CLASSES_ROOT\CLSID\{29F458BE-8866-11D5-A3DD-00B0D0F3BAA7}\LocalServer32, Default"C:\Program Files\Mozilla Thunderbird\TB.exe" /MAPIStartup
  • HKEY_CLASSES_ROOT\CLSID\{6EDCD38E-8861-11D5-A3DD-00B0D0F3BAA7}\InProcServer32, DefaultC:\Program Files\Mozilla Thunderbird\MapiProxy_InUse.dll
  • HKEY_CURRENT_USER\Software\Clients\Mail, DefaultMozilla Thunderbird

PS: Before you wish to uninstall Thunderbird, please make sure you’ve successfully shut down the main app. Otherwise, you may be unable to remove Thunderbird smoothly, BCOS the aforementioned "Mozilla Thunderbird Uninstall" will alert ya that "Thunderbird must be closed to proceed with the uninstall. Please close Thunderbird to continue."

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Related Info

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