How do I unregister DLL?

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To unregister individual DLL files:
  1. Click Start > Run (or use the Windows command line: Search> CMD > Right click - Run as Administrator)
  2. Type REGSVR32 /U "C:BlackbaudDLL[filename.dll]"For example, to unregister SQLDMO.dll type, REGSVR32/U "C:Program FilesMicrosoft SQLServer80ToolsBinnSQLDMO.dll"
  3. Click OK.



Regarding this, how do I unregister a DLL in Windows 10?

To register a dll or ocx Windows System file ina 32-bit version (older) of Windows (Vista, 7, 8.1, or10), Type cd [then press Enter]

in Windows 8.1:

  1. Open the "Quick Link" menu (by holding down the Windows 8 logokey and pressing the X key)
  2. Select "Command Prompt (Admin)"
  3. Select "Yes" to allow changes.

Additionally, how do I unregister Mscomctl OCX? How to Unregister an OCX
  1. Click the Windows "Start" button and select "Run." Type "cmd"in the textbox and press "Enter."
  2. Navigate to the location of the OCX file.
  3. Type the command to unregister the file.
  4. Read the confirmation.

Also know, how do I register unregister DLL s using the regsvr32 utility?

KB11873: How to register and unregister .dll or .ocx(control) files using the RegSvr32 Windows utility

  1. Open a command prompt session by executing "cmd.exe."
  2. Use the command prompt to navigate to the directory where thefile to be registered/unregistered resides.
  3. Once there, use the following syntax:

How can I tell if a DLL is registered?

If you have one machine where it is already registered, youcan:

  1. Open regedit and search for your DLL filename.
  2. If it is registered, you will find filename under a key that isunder the TypeLib. The key will look like:{9F3DBFEE-FD77-4774-868B-65F75E7DB7C2}

23 Related Question Answers Found

How do I view DLL files?

Method 1 – to Open DLL File
  1. First you have to go to the window registry.
  2. Open the command prompt.
  3. Click on the start menu bar and pressing the window key+R.
  4. Typing “cmd.” Navigate to the location of the DLLfiles and hold the shift key “Open command window here.
  5. Type” regsvr32 dllname.dll” and press enter.

Where are DLL files located?

So, let's see where are those dll files located:On Windows 95 / 98 / ME – dll files are locatedin C:WindowsSystem directory. On Windows NT / 2000 – dllfiles are stored in C:WINNTSystem32 folder. On WindowsXP / Vista / 7 / 8 – dll files located inC:WindowsSystem32 directory.

How do I re register a DLL?

If User Account Control (UAC) is disabled, then completethe following:
  1. Press and hold the Windows key then press R.
  2. Enter cmd in the Run line and click OK.
  3. At the command prompt, enter: REGSVR32 "PATH TO THE DLL FILE"Example 1: How to register the RE7Outlook.dll file:
  4. Click OK.

How do I remove regsvr32 Exe?

Method 1: Uninstall Regsvr32 Utility via Programs andFeatures.
  1. a. Open Programs and Features.
  2. b. Look for Regsvr32 Utility in the list, click on it and thenclick Uninstall to initiate the uninstallation.
  3. a. Go to the installation folder of Regsvr32 Utility .
  4. b. Find uninstall.exe or unins000.exe.
  5. c.
  6. a.
  7. b.
  8. c.

What is regsvr32?


In computing, regsvr32 (Register Server) is acommand-line utility in Microsoft Windows and ReactOS forregistering and unregistering DLLs and ActiveX controls in theoperating system Registry. To be used with regsvr32, a DLLmust export the functions DllRegisterServer and DllUnregisterServer.

What are DLL files used for?

DLL is a dynamic link library file formatused for holding multiple codes and procedures for Windowsprograms. DLL files were created so that multiple programscould use their information at the same time, aiding memoryconservation.

How do I register a 64 bit DLL?

Register 32 or 64-bit DLLs in Windows
  1. Step 1: First click on Start, then Run.
  2. Step 2: Now all you have to do to register a DLL file is totype in the regsvr32 command, followed by the path of the DLLfile.
  3. Step 3: Now click OK and you should get a confirmation messagethat the DLL has been registered successfully.

How do I stop a DLL from running?

1 Answer
  1. Go and find "Search" button in "Start" menu.
  2. You should search "All files and folders," then type the nameof that DLL file you want to stop running into the search dialogbox.
  3. Locate the DLL file and write down the full file path for theDLL file.
  4. Now go to "command prompt".

Where are OCX files stored?

The ActiveX control files are downloaded andstored to a default folder on the computer hard drive. Thedefault location of the folder is: "WindowsDownloadedProgram Files" (see References).

How do I install a DLL file?


In a nutshell, all you need to do is copy the original.DLL file to C:WindowsSystem32 . Once the .DLL iscopied over, run the following command: regsvr32filename.dll and your .DLL will be successfullyinstalled.

How do I register Msstdfmt DLL in Windows 10?

To register the msstdfmt.dll file,go to Start > Run. In the text box, paste regsvr32"C:WindowsSysWOW64msstdfmt.dll". (Make sureyou include the quotes.) Click OK and you will see a prompt aftersuccessful registration.

How do I install a DLL file in Windows 7?

To register a comm .dll or .ocx on Windows 7 32-bit, do thefollowing:
  1. Copy .dll or .ocx to c:windowssystem32.
  2. Type cmd in Run menu, it will search cmd.exe , right click andclick Run as Administrator.
  3. It will show a prompt at c:windowssystem32.
  4. Type regsvr32 ocxname.ocx to register .ocx.

How do I register ActiveX controls?

To register an ActiveX control, you should use Regsvr32.exeas follows:
  1. Select Start»Run.
  2. Type the following in the dialog box that appears: regsvr 32"<Full path of .ocx file>" where "<Full path of .ocxfile>" is the locations of your control, including quotes.

How do I register a DLL file in Windows 10 64 bit?

In order to register a DLL file on your 64-bit Windows 10system, follow the below-given steps.
  1. Step 1: Go to the File Explorer and navigate to the below givenlocation.
  2. Step 2: After opening the System32 folder, now copy the DLLfile that you want to register and then paste it to the givenpath:

What is OCX file?


OCX is a file extension for a customcontrol file format used by ActiveX forms. OCX isused for interface behaviors that are triggered by users orprograms; like resizing windows or scroll bar movement. OCXstands for “OLE control extension.”

How do I debug DLL in Visual Studio?

Debug from the DLL project
  1. Set breakpoints in the DLL project.
  2. Right-click the DLL project and choose Set as StartupProject.
  3. Make sure the Solutions Configuration field is set to Debug.Press F5, click the green Start arrow, or select Debug > StartDebugging.

What is run DLL?

RunDLL is a legitimate Windows file thatexecutes/loads .dll (Dynamic Link Library) modules which toocan be legitimate or sometimes malware related. A RunDLL"Error loading message usually occurs when the .dll filethat was set to run at startup in the registry or as ascheduled task has been deleted.

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