How to Fix __c009ED9B.dat Error? Is it safe?

Frustrated by the __c009ED9B.dat error message? Well, you should want to know what this __c009ED9B.dat 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 __c009ED9B.dat and the methods to fix it.

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What's __c009ED9B.dat File?

As its file extension denotes, __c009ED9B.dat is a vital dat file and it's a component of the software Firefox developed by Windows Software Developer. The latest version of __c009ED9B.dat file is 1.9.0.14 and MD5 value is 9c9f2e01d13c118f393877632d3a2ff9. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

__c009ED9B.dat file information:
File Name:   
   __c009ED9B.dat (Free Scan)
Product Name:   
   Firefox
Product Version:   
   1.9.0.14
Company:   
   Windows Software Developer
File md5:   
   9c9f2e01d13c118f393877632d3a2ff9
File type:   
   dat file
Security Level(0-5):   
   5
OS Infected:   
   Windows
Recommended:   
   Download __c009ED9B.dat Error Free Scan Tool

Why Do I Receive __c009ED9B.dat Error?

Firefox and the Windows will generate __c009ED9B.dat error when __c009ED9B.dat file cannot be used due to the removal or corruption of __c009ED9B.dat file. Virus infection is also a potential cause of __c009ED9B.dat error.

Popular __c009ED9B.dat Error Messages

  • The application has failed to start because __c009ED9B.dat was not found. Re-installing the application may fix this problem.
  • The program can't start because __c009ED9B.dat is missing from your computer. Try reinstalling the program to fix this problem.
  • __c009ED9B.dat failed. The specified module could not be found.
  • File not found: __c009ED9B.dat.
  • Failed to load library '__c009ED9B.dat'.
  • Access violation in module '__c009ED9B.dat'.
  • Component '__c009ED9B.dat' or one of its dependencies not correctly registered a file is missing or invalid.

You may receive __c009ED9B.dat 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 __c009ED9B.dat Error

__c009ED9B.dat error can be caused by plenty of reasons. The following are the most common causes of __c009ED9B.dat error.

  • The latest version of __c009ED9B.dat file is overwritten by a previous version installed by another newly-installed program.
  • There is a malfunctioning or faulty hardware in your computer.
  • __c009ED9B.dat file is infected with malicious adware, Trojans, spyware and malware.
  • The associated entries of __c009ED9B.dat are corrupted in the registry.
  • __c009ED9B.dat file that is still used by other programs is uninstalled by another program.

How to Fix __c009ED9B.dat Error?

If you're confident of fixing this problem yourself, we have listed several solutions to troubleshoot your __c009ED9B.dat problem.

Method 1: Uninstall and then reinstall Firefox causing __c009ED9B.dat error.

If __c009ED9B.dat 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 __c009ED9B.dat 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 __c009ED9B.dat 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: Reinstall Windows system.

Reinstalling Windows is an easy yet time-consuming way to fix software problems on your computer. It will erase everything on your computer, including your files, programs installed, and computer settings. This should be the last choice to fix your __c009ED9B.dat error, as it will take a lot of time to make things ready again. And this works only when this error is caused by software problem.

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 __c009ED9B.dat 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 __c009ED9B.dat error still persist?

Feel free to contact us for more assistance.

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