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What is thunderbird.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the thunderbird.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Thunderbird.exe file information

Windows Task Manager with thunderbird
Thunderbird.exe process in Windows Task Manager

The process known as Mozilla Thunderbird or Thunderbird belongs to software Thunderbird or Mozilla Thunderbird by Mozilla (www.mozilla.org) or Mozilla Messaging.

Description: Thunderbird.exe is not essential for the Windows OS and causes relatively few problems. Thunderbird.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 491,464 bytes (20% of all occurrences), 389,744 bytes and 23 more variants. http://www.file.net/process/thunderbird.exe.html 
It is not a Windows system file. The process listens for or sends data on open ports to a LAN or the Internet. The file has a digital signature. Thunderbird.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 30% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with thunderbird.exe, you can uninstall the software Mozilla Thunderbird or Shredder using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program), contact www.mozilla.org Customer Service or check the vendor’s website for a newer version.

Recommended: Identify thunderbird.exe related errors

Important: Some malware camouflages itself as thunderbird.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the thunderbird.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Browser Thunderbird
  J├╝rgen Quast  
Excellent mail client
   
Free Mail and News Reader (by the folks who made the Firefox Browser)
  Ben!   (further information)
Mail User Agent from mozilla.org - Replace Outlook NOW!
  FRAC'   (further information)
Thunderbird is the Mail Client not the web Browser Firefox, also by Mozilla. Both of which are excellent and as far as I can tell, secure. Firefox has many more secure features than Internet Explorer by default.
  redfx media   (further information)
Mozilla Thunderbird Email Client
  mist   (further information)
My Thinderbird.exe-1bf62657.pf is located in C:\Windows\ Prefetch and I have found it and deleted from this file about a dozen times. It always comes back when I use Thunder to my e-mail using YaHoo connection for AT&T net work. If kept open nt e-mail yahoo server will working on othertings, he begins to use high amount of Memory and sometimes gets to crashing and other things such as hard or no boot up. If I get my e-mail and quickly close that window, it appears to be working normal. If I close that window and go to C:\Windows\Prefetch and I will alwazys see the rogue file back in again. I merely deleted it again and go about my normal business.
   

Summary: Average user rating of thunderbird.exe: based on 10 votes with 7 user comments. 10 users think thunderbird.exe is essential for Windows or an installed application. 2 users don't grade thunderbird.exe ("not sure about it").


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Best practices for resolving thunderbird issues

A clean and tidy computer is the key requirement for avoiding problems with thunderbird. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the thunderbird.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

thunderbird.exe [all]