by Jack Cheen - Tech Analyst
Solution for solving Dun Error – 734

Troubleshoot and Fix Dun Error – 734 Error Now

  • How did you get Dun Error – 734?

    Windows failed to update to windows 10. Computer drivers is oudated or damaged. Install a software in a wrong way. Pop up object error or script errors. Hard disk has not sufficient space.
  • Dun Error – 734 Error Message::

    • Dun Error – 734
    • The module Dun Error – 734 was loaded but the entry-point DllRegisterServer was not found. Make sure that Dun Error – 734 is a valid DLL or OCX file and then try again.
    • Windows could not search for new updates
    • Run-time Error XXX, The application has requested the runtime to terminate.
    • A problem has been detected and Windows has been shut down to prevent damage to your computer.
  • How to Solve Dun Error – 734 Problems?

    Dun Error – 734 issue is a huge disaster for your PC. While you come across Dun Error – 734 problem, you should find a good solution to fix it as fast as possible. Otherwise your computer will probably get continuous computer problems, such as Blue Screen, system crash or program freeze. Hence, it is important to solve Dun Error – 734 issue.
Download Dun Error – 734 Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand

Follow the below steps on fixing Dun Error – 734 in order to finally eliminate it.

For computer novice:

If you are a computer newbie, you had better choose a useful software to help you get rid of Dun Error – 734 issue.
Step 1: Click here to download SmartPCFixer.

Step 2: Double-click to run SmartPCFixer.

Step 3: Click Fix all to fix Dun Error – 734 problem completely.

Pay attention: If {Dun Error – 734 is still there, you may need to update computer drivers.

DriverTuner is highly recommended for you to install outdaged drivers in 3 steps! Just download drivertuner with simple clicks, remove Dun Error – 734 at once.
download drivertuner

For advanced user:

The below steps are applied to repair Dun Error – 734 problem manually.

Method 1: Solving Dun Error – 734 problem by running a sfc scan for your PC.

SFC is definitely the most useful way to fix windows corrupted files. The whole process is quite easy.
Fow win 8/8.1/10 user:
Please visit here:
For win vista/win 7 user:
To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Type sfc /scannow and press "Enter" button

After the process is finished, you may receive one of the following messages: Windows Resource Protection did not find any integrity violations. (It indicates that you don't have corrupted windows files.) Windows Resource Protection could not perform the requested operation. Windows Resource Protection found corrupt files and successfully repaired them. Windows Resource Protection found corrupt files but was unable to fix some of them. (To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file.)

Method 2: Repairing Dun Error – 734 by updating drivers by yourself.

Right-click Computer on your desktop, then click Manage.

Find Device Manager and check if there is a yellow exclamation to inform you to update drivers. Then click update drivers as the pictures below.

Method 3: Resolving Dun Error – 734 by system restore.

6 Comments on "How To Repair Dun Error – 734?"

  • Comment by : Belkis UK
    The software did work! I used it to download my not found Btwizard.dll successfully. Great software for fixing dll missing files.
  • Comment by : Karima FR
    je viens de mise à niveau Windows 10, mon ordinateur actes anormale. Mes amis me recommandent de télécharger SmartPCFixer pour se débarrasser de lui. Je ne sais pas si elle est vraiment utile. Mais après l'installation de cet outil, je reçois rarement get update erreur.
  • Comment by : Nobuko
    Smartpcfixer is good tool for me to remove Dun Error – 734.
  • Comment by : Zaida
    Recently, when I am playing online games, I often receive bluescreen problem. SmartPCFixer support team helped me fix the blue screen error. Thanks a lot! I hope my review can help people who want to try smartpcfixer.
  • Comment by : Marianela
    You can have a try!
  • Comment by : Marvella
    Many thanks. The tool help me solve Dun Error – 734 issue.
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Download Dun Error – 734 Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand