How to Repair DiagnosticsTap.dll? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing DiagnosticsTap.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent DiagnosticsTap.dll file can therefore effect in failed execution of the started process.

DiagnosticsTap.dll file F12 Developer Tools Diagnostics TAP. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of DiagnosticsTap.dll related errors on your device. You can also download DiagnosticsTap.dll file compatible with Windows 10, Windows 8.1 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1

File info

General information
Filename DiagnosticsTap.dll
File extension DLL
Description F12 Developer Tools Diagnostics TAP
Program Internet Explorer
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to DiagnosticsTap.dll file. DiagnosticsTap.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to DiagnosticsTap.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • DiagnosticsTap.dll is corrupted
  • DiagnosticsTap.dll cannot be located
  • Runtime Error - DiagnosticsTap.dll
  • DiagnosticsTap.dll file error
  • DiagnosticsTap.dll file cannot be loaded. Module was not found
  • cannot register DiagnosticsTap.dll file:
  • DiagnosticsTap.dll file could not be loaded
  • DiagnosticsTap.dll file doesn't exist



Application could not be started because DiagnosticsTap.dll file is missing. Reinstall the application to solve the problem.


Problems related to DiagnosticsTap.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing DiagnosticsTap.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

DiagnosticsTap.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with DiagnosticsTap.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to DiagnosticsTap.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of DiagnosticsTap.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to DiagnosticsTap.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the DiagnosticsTap.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the DiagnosticsTap.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the DiagnosticsTap.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace DiagnosticsTap.dll file

The last solution is to manually download and replace DiagnosticsTap.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded DiagnosticsTap.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of DiagnosticsTap.dll file example directory paths.

  • Windows 10: C:\Windows\System32\F12\
  • Windows 8.1: C:\Program Files\Internet Explorer\

If the steps did not solve your DiagnosticsTap.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename DiagnosticsTap.dll
System Windows 10
File size 182784 bytes
Date 2017-03-18
File details
MD5 273453e558e7e93bee8d46ed9c72b39d
SHA1 d972c480ccff98b6e1b77efdf973d3ee38cf332a
SHA256 21366ed112b1b81819fbae49bf4f97ec1adcc366fd37778398775277291ed28c
CRC32 90e48191
Example file location C:\Windows\System32\F12\
Filename DiagnosticsTap.dll
System Windows 8.1
File size 174080 bytes
Date -0001-11-30
File details
MD5 ffba05f297bddd20da48507befe9762c
SHA1 b46bbac2f222641876b9298f1a7427aa79933559
SHA256 427c9128389e68e7b9f5519549bf0229b6c96a0450af1939d5448d599934fe2d
CRC32 b9920e14
Example file location C:\Program Files\Internet Explorer\