How to fix DTProApi.dll is missing/ not found error

Computer errors like DTProApi.dll error is really annoying, as it really affects the performance of your computer system. Many people like you have encountered this error every so often. This article is designed to explain what DTProApi.dll is, what causes this DTProApi.dll error and the most important thing is how to fix this error. So let's begin.

Note: The manual fix requires sufficient computer know-how. If you're not confident of performing the manual fix, it's recommended that you use this Error Fix Tool to automatically fix the problem.

Overview of DTProApi.dll File:

File Name:   
DTProApi.dll (Free Scan)
File Description:   
DAEMON Tools Pro API
Product Name:   
DAEMON Tools Pro
Product Version:   
4.12.0223.0
File md5:   
0d4982542da813cbdbdd2c3ed8aa853f
File type:   
dll file
OS Infected:   
Windows NT/2000/2003/XP/Vista/2008/7/8/10
Recommended:   
Download DTProApi.dll Error Free Scan Tool

What's DTProApi.dll Error?

DTProApi.dll file is an important DLL file which belongs to DAEMON Tools Pro by DAEMON Tools Pro. This file ensures the Windows system and DAEMON Tools Pro perform properly. If you receive this error when you try to run a software or use a system function, you should know that your software or Windows system may have some issue. The corruption or deletion of DTProApi.dll file will lead to DTProApi.dll error when the software or Windows system call this file. Usually, you will not receive DTProApi.dll error unless there is some issue with your file or Windows system.

What Causes DTProApi.dll Error?

There are many possibilities that cause this DTProApi.dll error.

  • DTProApi.dll file was deleted when another program was uninstalled from your computer.
  • A new version of DTProApi.dll file installed by another program is overwritten and is not compatible with other programs giving DTProApi.dll error.
  • The DTProApi.dll file was deliberately or mistakenly deleted by another computer user or program.
  • The registry entries of DTProApi.dll file are corrupted.
  • There is a problem with a hardware.

How to Fix DTProApi.dll Error?

Though computer error messages like DTProApi.dll error are not dangerous, it could be a sign to a more serious problem. When Windows or software gives error messages, it means to attract your attention and needs you to fix the problem. In order to keep your PC perform properly, please follow the steps to fix your error:

Step 1. Run a virus scan over your system.

The first thing you need to ensure is that this error is not caused by computer malware. There are a lot of computer malware that could really attack your computer causing various issues. Malware infection may be the cause of DTProApi.dll error. They are able to change or delete program files, and change program and system settings. To ensure this DTProApi.dll error is not caused by computer malware, you'd better use your antivirus software and run a virus scan over your computer system.

Step 2. Re-register the DTProApi.dll file.

If you ran a virus scan and do not find any malware on your computer, then you can re-register the DTProApi.dll file. Usually, when a program is installed, it will register its files in the registry. If the DTProApi.dll file is not properly registered, Windows or DAEMON Tools Pro will not be able to work correctly. To register DTProApi.dll file,

2.1 Open an elevated command prompt.

Windows 7, Windows Vista and Windows 10:

Click Start, type cmd in the Search box, right click Command Prompt, and click Run as administrator. When User Account Control pops up, click Yes to continue.

Windows 8 and 8.1:

Swipe your mouse to the right edge of the screen, click Search, type cmd in the Search box, right click Command Prompt, and click Run as administrator. When User Account Control pops up, click Yes to continue.

2.2 In the command prompt window, type regsvr32 [full path of the DTProApi.dll file]. An example is regsvr32 C:\Windows\System32\example.dll

2.3 After DTProApi.dll is registered, it will give you a message telling you that it's successfully registered.

Step 3. Run SFC /scannow to repair system files.

System File Checker is a very useful Windows utility which can scan for corrupted Windows system files and then replace them. If your file is missing or not found, you can run System File Checker to get it back.

To do it,

3.1 Open an elevated command prompt.

Windows 7, Windows Vista and Windows 10

Click Start, type cmd in the Search box, right click Command Prompt, and click Run as administrator. When User Account Control pops up, click Yes to continue.

Windows 8 and 8.1

Swipe your mouse to the right edge of the screen, click Search, type cmd in the Search box, right click Command Prompt, and click Run as administrator. When User Account Control pops up, click Yes to continue.

3.2 In the command prompt window, type in sfc /scannow and then hit Enter key.

Wait until System File Checker scans and replaces all corrupted or missing files.

Step 4: Repair the registry.

If you've tried the steps above but cannot get DTProApi.dll error fixed, then you can try to repair the registry. As it's known to all, the registry is the most important database where all settings of hardware and software on your computer is stored. Improper or incomplete software uninstallation can modify the registry and leave some invalid entries in the registry. When there is an issue in the registry, you can see some symptoms, such as DLL errors, EXE errors, and slow PC performance. It's not wise to manually look through the registry and fix it unless you're an experienced computer professional. A slightest mistake in the registry will lead to further damage to your system. The best and most recommended way to get your registry problems fixed is to run this brilliant fix tool. It will help you repair your registry and improve your PC performance.

Recommended: If you're not good at computers, it's recommended that you use this Automatic Error Fix Tool to fix this kind of problem.

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