DLB File Extension

DLB file icon
Troj/Dloadr-AHT
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What is DLB file?

DLB filename suffix is mostly used for Troj/Dloadr-AHT files. Files with DLB extension may be used by programs distributed for Windows platform. DLB file format, along with 3591 other file formats, belongs to the Various Files category. BitDefender supports DLB files and is the most frequently used program to handle such files, yet 3 other tools may also be used. Software named BitDefender was created by Softwin. In order to find more detailed information on the software and DLB files, check the developer’s official website.

Programs which support DLB file extension

The following listing features DLB-compatible programs. DLB files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support DLB file

How to open file with DLB extension?

There can be multiple causes why you have problems with opening DLB files on given system. Fortunately, most common problems with DLB files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with DLB files.

Step 1. Get the BitDefender

The most common reason for such problems is the lack of proper applications that supports DLB files installed on the system. The most obvious solution is to download and install BitDefender or one to the listed programs: Kaspersky Anti-Virus, AVG Antivirus, avast! Antivirus. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download BitDefender installer in the most secured manner, we suggest you visit Softwin website and download from their official repositories.

Step 2. Update BitDefender to the latest version

If the problems with opening DLB files still occur even after installing BitDefender, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of BitDefender is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why DLB files are not compatible with BitDefender. The most recent version of BitDefender is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open DLB files to BitDefender

If you have the latest version of BitDefender installed and the problem persists, select it as the default program to be used to manage DLB on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

  • Clicking the DLB with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the BitDefender installation folder. Confirm by checking Always use this app to open DLB files box and clicking OK button.

Change the default application in Mac OS

  • Right-click the DLB file and select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with DLB extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the DLB file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the DLB file is valid. Problems with opening the file may arise due to various reasons.

1. The DLB may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the DLB file hinders attempts to open it. Scan the DLB file as well as your computer for malware or viruses. If the DLB file is indeed infected follow the instructions below.

2. Verify that the DLB file’s structure is intact

If you obtained the problematic DLB file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with DLB extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Troj/Dloadr-AHT file again.

4. Verify that your device fulfills the requirements to be able to open BitDefender

The operating systems may note enough free resources to run the application that support DLB files. Close all running programs and try opening the DLB file.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Troj/Dloadr-AHT files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle DLB files.

Do you want to help?

If you have additional information about the DLB file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on DLB file.

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