Repair and Download dmocx.dll Now

Sometimes Windows system displays error messages regarding corrupted or missing dmocx.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 dmocx.dll file can therefore effect in failed execution of the started process.

dmocx.dll file TreeView OCX. 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 dmocx.dll related errors on your device. You can also download dmocx.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP

File info

General information
Filename dmocx.dll
File extension DLL
Description TreeView OCX
Program Microsoft® Windows® Operating System
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 dmocx.dll file. dmocx.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 dmocx.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to dmocx.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 dmocx.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.

dmocx.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 dmocx.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 dmocx.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 dmocx.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 dmocx.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the dmocx.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 dmocx.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 dmocx.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 dmocx.dll file

The last solution is to manually download and replace dmocx.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 dmocx.dll file.

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your dmocx.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 dmocx.dll
System Windows 10
File size 44544 bytes
Date 2017-03-18
File details
MD5 8d8c345a020e03e2a0f89f2fc9ea49fd
SHA1 2f1f8e07d58bb582e91d582e92cffe6fe37c4cd3
SHA256 80da080633544a9182f965a4d0f96f59269de96718bf7313aeaef27d3742c376
CRC32 a6ad31cc
Example file location C:\Windows\System32\
Filename dmocx.dll
System Windows 8.1
File size 44544 bytes
Date 2014-11-21
File details
MD5 3402de5350b2ad2b0d6e9a0d27fb9afc
SHA1 0f98885d6a3ffc5510968434d21a6ea3423b6847
SHA256 ca06b56fc932591e14b3521510d06fcbabe708fff8391dfaff5e1eedb29c870d
CRC32 ad4c13c4
Example file location C:\Windows\System32\
Filename dmocx.dll
System Windows 8
File size 41984 bytes
Date 2012-07-26
File details
MD5 2520bf954f6560ed0278278f37e568bb
SHA1 1516be748e9939acb23c8c50b8e78b008ee59797
SHA256 9be6318e2aabe7099b0adc870dbda3d2d45d51afcf9ee03ac669bcf9dac55eb0
CRC32 0c8f21f6
Example file location 1: C:\Windows\System32\
Filename dmocx.dll
System Windows 7
File size 49664 bytes
Date 2009-07-14
File details
MD5 e174a933c46785aa3d65b34136735c11
SHA1 47db98e5c8b04aa86bbde5c4a1b6f45fac4aa38b
SHA256 e302f10e4713c0ba08a8df0adc354fd2f935c3845ab3205beb2df7b23a297b4d
CRC32 07a6e935
Example file location C:\Windows\System32\
Filename dmocx.dll
System Windows 7
File size 42496 bytes
Date -0001-11-30
File details
MD5 eb7b4563d6d20fc663f15fe8581d0bf2
SHA1 fe05cc6e76d085d12772fd9f47df7973ba9014e7
SHA256 0324169ff09158ba7a7060a67c4e75aa9b66cd9577f11cdc21b2d900d83dd2b3
CRC32 2fe03289
Example file location C:\Windows\System32\
Filename dmocx.dll
System Windows Vista
File size 42496 bytes
Date -0001-11-30
File details
MD5 1d6b201d81cba88cb4510b6bf96c5ce0
SHA1 7822016a8269d8ed31deda97fd9dc06421db7ebf
SHA256 303a90fffe97818bd1670dd56e6ba4506ef089c610d8d7b0d7ce9c1c7c3f6e89
CRC32 56ebdbda
Example file location ---
Filename dmocx.dll
System Windows Vista
File size 49664 bytes
Date 2008-01-21
File details
MD5 228ed8e2271cb0d17d20140ffd438fb7
SHA1 9fc0e9a3d54656ab31e024cb233ef6e4de288e2d
SHA256 ada1aeb1260c0949d1ff6df30427864dcb8eae633831e856d12c94abfa10e9b9
CRC32 02cd7c34
Example file location ---
Filename dmocx.dll
System Windows XP
File size 19456 bytes
Date 2008-04-14
File details
MD5 75a782fff9821426382453253999853b
SHA1 205ef6ead7b770fbefc47116bd5c3be94610dfbb
SHA256 d53191ccafae09ee6d9cf08a9651d3d942370b219d7bc7ac293a4dc0a2d1f520
CRC32 2fa24735
Example file location ---