Download ExTVwU.ocx and Fix ActiveX Errors

Last Updated: 07/04/2023
[Reading Time Required: 3.5 minutes]

OCX files such as ExTVwU.ocx are categorized as Win32 DLL (Dynamic link library) files. As a ExplorerTreeView ActiveX Control (Unicode) file, it was created for use in TimoSoft ExplorerTreeView by Fabio Martin.

The first version of ExTVwU.ocx for 7 Sticky Notes 1.9 was seen on 01/08/2013 in Windows 10. According to our records, this release is the only version of this file offered by Fabio Martin.

In this article, you will find detailed ExTVwU.ocx information, a OCX file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)

Recommended Download: Fix ExTVwU.ocx / 7 Sticky Notes-related registry issues with WinThruster.

Compatible with Windows 10, 8, 7, Vista, XP and 2000

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File Overview

General Information
File Name: ExTVwU.ocx
File Extension: OCX file extension
Description: ExplorerTreeView ActiveX Control (Unicode)
Object File Type: Dynamic link library
Comments: Designed for Visual Basic. This software is freeware!
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
Developer and Software Information
Software Program: TimoSoft ExplorerTreeView
Legal Copyright: Copyright (C) 2002-2011 Timo "TimoSoft" Kunze
Developer: Fabio Martin
Software: 7 Sticky Notes
Software Version: 1.9
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x2594c
Code Size: 374784

What are ExTVwU.ocx Error Messages?

ActiveX-Related ExTVwU.ocx Errors

ExTVwU.ocx is considered a type of COM file, or Component Object Model, most commonly known as an ActiveX control. ActiveX controls like ExTVwU.ocx are used by 7 Sticky Notes and other software to display media-related content. Therefore, your will most likely encounter a ExTVwU.ocx error when attempting to load an audio or video clip, or view some variety of embedded website content. Some of the most common ExTVwU.ocx ActiveX errors include:

These OCX errors are most commonly due a missing or corrupt OCX. If your file is missing or corrupt, this could be caused by improper computer shutdown, or a malware infection, both of which could corrupt (or even delete) ExTVwU.ocx. If your ExTVwU.ocx is corrupted or missing, and therefore cannot be properly loaded by 7 Sticky Notes, this will result in an error message.

Finally, another common cause of ExTVwU.ocx ActiveX errors can be contributed to an ActiveX-related subkey missing from the Windows registry. Broken DLL (Dynamic Link Library) references in the Windows registry can prevent ExTVwU.ocx from registering properly, resulting in an ActiveX error. These broken references (registry keys) are usually triggered by a moved or missing file, or as a result of a leftover DLL file reference after a shared program has been uninstalled.

How to Fix ExTVwU.ocx Errors in 4 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your ExTVwU.ocx issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Use Microsoft Register Server (regsvr) to Manually Register Your ExTVwU.ocx File

When you install 7 Sticky Notes, or another software that uses the ExTVwU.ocx dependency, the software should register the file automatically. Sometimes your OCX file won't get registered properly and will trigger a "ExTVwU.ocx not registered" error. Thankfully, Microsoft included a handy built-in utility called "Microsoft Register Server" (regsvr32.exe) to enable you to manually re-register your ExTVwU.ocx file.

How to re-register ExTVwU.ocx from an elevated command prompt (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "command" (do not presss ENTER yet)
  3. While holding CTRL-Shift, hit ENTER.
  4. You will be prompted with a permission dialog box.
  5. Click Yes.
  6. Type this command: regsvr32 /u ExTVwU.ocx
  7. Hit ENTER. This process will UN-register your file, allowing you to RE-register it.
  8. Type this command: regsvr32 /i ExTVwU.ocx
  9. Hit ENTER. This process will RE-register your file.
  10. Close the command prompt window.
  11. Re-start 7 Sticky Notes.

regsvr32 /u ExTVwU.ocx

Step 2: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the ExTVwU.ocx error, please proceed to the Step 2 below.

Step 3: If recently installed 7 Sticky Notes (or related software), uninstall then try reinstalling 7 Sticky Notes software.

You can uninstall 7 Sticky Notes software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for 7 Sticky Notes 1.9 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall 7 Sticky Notes software.

If this Step 2 fails as well, please proceed to the Step 3 below.

7 Sticky Notes 1.9

Fabio Martin

Step 4: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many ExTVwU.ocx error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the ExTVwU.ocx error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

If Those Steps Fail: Download and Replace Your ExTVwU.ocx File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate ExTVwU.ocx file version. We maintain a comprehensive database of 100% malware-free ExTVwU.ocx files for every applicable version of 7 Sticky Notes. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download ExTVwU.ocx Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate 7 Sticky Notes folder location:
    Windows 10: C:\Windows\SysWOW64\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve ExTVwU.ocx problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

Download ExTVwU.ocx Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying ExTVwU.ocx to your appropriate Windows system directory. Fabio Martin typically does not release 7 Sticky Notes OCX files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing ExTVwU.ocx and all other OCX files for 7 Sticky Notes. An incorrectly installed OCX file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

Files Related to ExTVwU.ocx

OCX Files Related to ExTVwU.ocx

File Name Description Software Program (Version) File Size (bytes) File Location
ExLVwU.ocx ExplorerListView ActiveX Control (Unicode) TimoSoft ExplorerListView (1.2) 1031168 C:\Windows\SysWOW64\
ExTVwU.ocx ExplorerTreeView ActiveX Control (Unicode) TimoSoft ExplorerTreeView (2.1) 604672 C:\Windows\SysWOW64\
MSCOMCTL.OCX Windows Common Controls ActiveX Control DLL MSCOMCTL (6.01.9786) 1071088 C:\Windows\SysWOW64\
MCI32.OCX MCI OLE Control DLL MCI (6.00.8169) 198456 C:\Windows\SysWOW64\
COMCTL32.OCX Windows Common Controls ActiveX Control DLL COMCTL (6.00.8106) 1351392 C:\Windows\SysWOW64\

Other Files Related to ExTVwU.ocx

File Name Description Software Program (Version) File Size (bytes) File Location
WmiApRpl.h C/C++/Objective-C Header 7 Sticky Notes 1.9 3444 C:\Windows\System32\wbem\Performance\
api-ms-win-core-profil... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 10600 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 12136 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
EtwRTEventLog-Applicat... Microsoft Event Trace Log 7 Sticky Notes 1.9 1592 C:\Windows\System32\LogFiles\WMI\RtBackup\


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