How to Fix 39.wngb Error? Is it safe?

Frustrated by the 39.wngb error message? Well, you should want to know what this 39.wngb file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this 39.wngb and the methods to fix it.

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What's 39.wngb File?

As its file extension denotes, 39.wngb is a vital wngb file and it's a component of the software Firefox developed by Windows Software Developer. The latest version of 39.wngb file is 3.5.7 and MD5 value is 1b3a8dbbdfa5a3eada75ccc2563438db. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

39.wngb file information:
File Name:   
   39.wngb (Free Scan)
File Description:   
   Firefox Helper
Product Name:   
   Firefox
Product Version:   
   3.5.7
Company:   
   Windows Software Developer
File md5:   
   1b3a8dbbdfa5a3eada75ccc2563438db
File type:   
   wngb file
Security Level(0-5):   
   5
OS Infected:   
   Windows
Recommended:   
   Download 39.wngb Error Free Scan Tool

Why Do I Receive 39.wngb Error?

Firefox and the Windows will generate 39.wngb error when 39.wngb file cannot be used due to the removal or corruption of 39.wngb file. Virus infection is also a potential cause of 39.wngb error.

Popular 39.wngb Error Messages

  • The application has failed to start because 39.wngb was not found. Re-installing the application may fix this problem.
  • The program can't start because 39.wngb is missing from your computer. Try reinstalling the program to fix this problem.
  • 39.wngb failed. The specified module could not be found.
  • File not found: 39.wngb.
  • Failed to load library '39.wngb'.
  • Access violation in module '39.wngb'.
  • Component '39.wngb' or one of its dependencies not correctly registered a file is missing or invalid.

You may receive 39.wngb error when you run or close Firefox, start or shut down the computer, or use specific function of Firefox. The time you encounter the error is very important to troubleshoot the problem.

Causes of 39.wngb Error

39.wngb error can be caused by plenty of reasons. The following are the most common causes of 39.wngb error.

  • The latest version of 39.wngb file is overwritten by a previous version installed by another newly-installed program.
  • There is a malfunctioning or faulty hardware in your computer.
  • 39.wngb file is infected with malicious adware, Trojans, spyware and malware.
  • The associated entries of 39.wngb are corrupted in the registry.
  • 39.wngb file that is still used by other programs is uninstalled by another program.

How to Fix 39.wngb Error?

If you're confident of fixing this problem yourself, we have listed several solutions to troubleshoot your 39.wngb problem.

Method 1: Uninstall and then reinstall Firefox causing 39.wngb error.

If 39.wngb error pops up when you're using Firefox, then it's worth trying to reinstall Firefox or the program from Windows Software Developer.

Steps:

Windows Vista, Windows 7 and Windows 10:

a. Click Start and click Control Panel.

start control panel windows 7

b. Click Uninstall a program.

win7 control panel programs and features

c. Look for Firefox or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Windows 8 and 8.1:

a. Hover the cursor to the top right corner of the screen to bring up Charms bar and then click Search.

windows 8 charms bar search

b. Click Settings, type uninstall, and click Uninstall a program in the search results.

uninstall windows8

c. Look for Firefox or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software windows8

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Method 2: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like 39.wngb error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, Firefox and Windows becomes more prone to 39.wngb error and even malfunction.

Steps:

a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 3: Do a System Restore.

System Restore is another useful utility integrated in Windows to help users revert their system files, installed applications, Windows registry and settings to that of a previous point of time. It's often used to fix problems like 39.wngb error caused by unexpected change made by a new program installation or abnormal Windows behaviors.

Note: Please do a full backup before performing System Store, otherwise, you may risk losing your files and data.

Steps:

a. Go to the desktop of your system, right click on Computer and click Properties.

computer properties

b. In the left pane, click System protection.

system protection

c. In the System Properties window, click System Restore.

system restore

d. In the System Restore window, click Next.

system restore next

e. From the list of restore points, select one you wish to restore from. Click Next.

select restore point

f. If you do not want to change your decision, then click Finish.

confirm system restore

g. Click Yes.

yes restore

Method 4: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like 39.wngb error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.

Recommended:

Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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Does 39.wngb error still persist?

Feel free to contact us for more assistance.

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