How to Register COMDLG32.OCX for Vista

1. Click the Windows logo, point to 'All Programs' then 'Accessories.' Right-click on 'Command Prompt' and select the 'Run as Administrator' option.
2. Enter the command 'regsvr32 %Systemroot%\System32\comdlg32.ocx' at the command prompt, where %Systemroot% is the folder in which Vista is installed (usually 'C:\Windows').
3. Wait for the system to confirm the registration with the message 'DllRegisterServer in C:\WINDOWS\System32\comdlg32.ocx succeeded.' Reboot the computer to make sure that the registration is complete.

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How to Troubleshoot a Msgina.Dll Error

1. Go to another machine with Windows 2000 installed that does not have the error. Insert the floppy disk into the disk drive on the computer.
2. Click the Start button and then select the 'Run' option. Type 'cmd' into the text box and then press the 'Enter' key. This will open a DOS window.
3. Type 'cd..' and press the 'Enter' key to go back one directory. Repeat this step to go to the root of the C drive. Type 'cd\winnt\system32\dllcache' and press the 'Enter' key. Type 'copy msgina.dll a:' and press the 'Enter' key. This will copy the DLL file to the floppy disk.
4. Insert the Windows 2000 Server Disc 1 into the CD drive on the computer with the error. Restart the computer to boot up from the CD. Follow the prompts on the screen to open the Recovery Console.
5. Type 'cd system32' at the command prompt and press the 'Enter' key. Type 'ren msgina.dll mdgina.old' and press the 'Enter' key. Type 'cd dll cache' and press the 'Enter' key. Type 'ren msgina.dll msgina.old' and press the 'Enter' key.
6. Insert the floppy disk into the disk drive if an error message appears.
7. Type 'copy a:\msgina.dll' and press the 'Enter' key. Type 'cd..' and press the 'Enter' key. Type 'copy a:\msgina.dll and press the 'Enter' key. Type 'exit' and press the 'Enter' key.
8. Remove the floppy and the Windows Server Disc 1 from the drives. Restart the computer.

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Outlook Express Msoe.Dll Could Not Be Initialized

1. Close Microsoft Outlook Express. Click the Windows 'Start' button, and select 'Run.' Type 'regedit,' and press 'Enter' to open the registry.
2. Click the username for the Outlook Express login in the left panel. Click the 'File' menu item, then click 'Export Registry File.' A 'Save As' dialog window opens. Select 'Registration Files' in the 'File Type' drop-down box, then select 'Selected branch' for the 'Export Range.' Click 'Save' to save the exported registry file.
3. Right-click the identity you previously backed up. Click 'Delete.' Click 'Yes' to confirm that you want to delete the identity key.
4. Click the Windows 'Start' button and click 'Computer.' Double-click the 'My Documents' directory, which is where the registry export file was saved. If you saved the registry export to a different directory, open that directory instead.
5. Double-click the exported registry file. When asked if you want to install the registry key, click 'Yes.' The registry value fixes the corrupted Outlook identity.

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How to Remove Dumprep.exe

1. Open the Task Manager by pressing 'Ctrl,' 'Alt' and 'Delete.' Click the 'Processes' tab.
2. Scroll down and click 'dumprep.exe.' Click 'End Process.'
3. Click the Windows 'Start' button and click 'Run' or 'Start Search' (Windows Vista users).
4. Type 'Services.msc' (without quotes) and press 'Enter' to open the Services window.
5. Scroll through the services window and double-click 'Dump Report Utility.' Select 'Disabled' in the 'Startup Type' window and click 'OK' to save the changes.

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How to Install Microsoft Runtime Components

1. Follow the link provided in the Resources section at the bottom of this page. This will lead to a large list of possible components to Runtime.
2. Click on the component you would like to download. You will be taken to another page; click 'Download.'
3. Click 'Save File' when asked if you would like to save the file. Depending on its size, the download could take a few minutes.
4. Double click the newly downloaded file. It will appear in either a 'Downloads' pop-up window or as an icon on the desktop.
5. Click 'OK' and then 'Run' when asked if you would like to run the program. The component will now scan the computer.
6. Click 'Next' when the installation wizard opens.
7. Click 'Yes' when asked if your sure you want to install this particular component. The installation will now begin. Depending on what component was selected, this could take several minutes.
8. Click 'Close' when a pop-up states the installation has completed.

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How to Fix a COM+ Catalog Error

1. Restart your computer in safe mode. As the computer reboots, tap 'F8' then select 'Safe Mode with Networking' when prompted.
2. Click the 'Start' menu button then 'Run.' Type 'cmd.exe' into the box then press 'Okay.' The administrator menu will appear.
3. Type 'ren %windir%\System32\Clbcatq.dll Clbcatq.dll.bak' then 'del %windir%\Registration\*.* /s' into the administrator menu. Exit the menu, then type 'regedit' into the 'Run' box. The registry editor will appear.
4. Delete the registry key 'HKEY_LOCAL_MACHINE \SOFTWARE \Microsoft \COM3' by right-clicking the file and selecting 'Delete.'
5. Restart your computer. Open 'cmd.exe' again and type 'rmdir /s %windir%\Registration' into the box.
6. Click the 'Start' menu button, 'Control Panel' and finally 'Add/Remove Programs.' Scroll through the list until you find 'Add/Remove Components.' Click on this then select 'Next.' COM+ will be reinstalled on your computer.
7. Restart your computer. The COM+ catalog error will now be gone.

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How to Fix AVI Errors

1. Navigate to the Web page of the media player you are using (such as Windows Media Player, RealPlayer or QuickTime). Select the 'Download' option, then choose 'Codecs' (the exact phrasing may differ slightly, depending on the website you are visiting). Choose the codec that supports 'AVI' (it is listed in the file description), then download the file and install it on the computer.
2. Restart the computer after the codec installation. This ensures the codec is installed. Once the system has restarted, you are able to play and view the AVI files.
3. Import the AVI file from any CD you are attempting to view. Because the file is so large, the file is going to lag and not play smoothly when viewing on a CD (the CD is unable to spin fast enough to keep up with the file transfer). To import the file, click 'Start' and '(My) Computer,' then double-click the CD icon and click and drag the AVI file onto the desktop.
4. Re-download the AVI file (or re-export the file, if you created the file yourself). There may just be a problem with the actual file and obtaining the file again may correct the playback issues you are encountering.

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How to Re

1. Click the Windows 'Start' button and type 'cmd.' Press 'Enter' to open the command prompt.
2. Type 'cd control_path' where 'control_path' is the drive and directory that contain the ActiveX control file. For instance, if your control is stored in 'c:\control,' type 'cd c:\control' and press 'Enter.'
3. Type 'regsvr32 file' where 'file' is the ActiveX control file. For instance, if your control's file name is 'control.ocx,' type 'regsvr32 file.ocx' and press 'Enter.' A message returns telling you that the control was registered successfully.

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How to Read Contents of Dll Files

Instructions
1. Right-click the file with the file extension .DLL.
2. Click 'Open With.'
3. Click 'Choose Default Program.'
4. Click the icon of the software you wish to use to open the file (Resource Hacker, Microsoft Visual FoxPro 9.0 or Microsoft Visual Studio 2010.)
5. Click 'Browse' only if Windows does not list the particular program you wish to use. Search for it, select it and then click 'Open.'
6. Click on 'OK.' Your file will open and you will be able to read its contents.

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How to Remove Rundll32

1. Navigate to the Rundll32.exe file. It will be located in the C:\Windows\System32\ folder.
2. Right click the file and select 'Copy.' Rename the Rundll32 file to something that you will remember. You want to make this copy because if something goes wrong after you remove the file, you will have a backup available.
3. Attempt to delete the file by selecting it and hitting 'Delete.' You might be prompted by a window asking if you are sure you want to remove the file. If so, click 'Yes.' However, this most likely will not happen because there are 'locks' on the file that may keep it from being opened or removed.
4. Use a software program to remove locks placed on programs and files, such as Unlocker, a freeware program that can be downloaded from a link provided in the Resources section.
5. Click Unlocker to download the file, then open the desktop icon. Follow the installation prompts to complete the setup.
6. Right click the Rundll32.exe file, which will bring up a drop-down menu. Select 'Unlocker.' This will launch a new window that showcases all the locks placed on the file, keeping it from being removed.
7. Select the 'Unlock All' button on the window, then choose 'Quit.' The locks will now be removed from the file. Click Rundll32.exe for the last time, and hit the 'Delete' button. You will now be asked if you are sure you want to remove this file. Click 'Yes,' and the file will be removed.

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How to Replace Ntdll.dll

1. Identify the program causing the Ntdll.dll error and uninstall it. Restart your computer.
2. Run a registry cleaning program to erase remaining registry files that are defective or serve no purpose. These files can slow down your processor and lead to other operation errors.
3. Restart your computer again. Reinstall the software that was caushing the Ntdll.dll error. Run the registry cleaning program 1 more time.

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How to Install ActiveX EXE

1. Open your Internet browser and navigate to the ActiveX.exe application download (see link in 'Resources').
2. Click 'Download Now' and ActiveX.exe begins to download directly to your computer.
3. Double-click the downloaded file and a prompt window appears, asking if you are sure you want to download the file. Select 'Yes' and the installation wizard appears on the screen.
4. Click 'Next' on the welcome page, then choose 'Accept' when presented with the end-user agreement.
5. Select 'Next' to leave the installation name and location as is. Click 'Install' and the ActiveX.exe download installs directly onto your computer.

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How to Reinstall MSHTA

1. Click 'Start,' 'All Programs,' 'Accessories,' then right-click 'Command Prompt,' and select 'Run as Administrator.' The Command Prompt opens.
2. Type 'regsvr32 mshta.dll' (without the quotation marks) into the Command Prompt and press 'Enter.'
3. Click 'Y' to confirm the command.
4. Close the Command Prompt by clicking the 'X' in the top right. Alternatively, you can type 'Exit' (without the quotation marks) and press 'Enter.'

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How to Set ActiveX With Internet Explorer 7

1. Launch Internet Explorer and click the 'Tools' menu. Scroll down the list of options and click 'Internet Options' to launch the 'Internet Options' dialog box.
2. Click the 'Security' tab and click the 'Custom Level' button to launch the 'Security Settings' dialog box.
3. Select the 'Enable' radio button next to each of the following options under 'ActiveX controls and plug-ins':Automatic prompting for ActiveX controlsBinary and script behaviorsRun ActiveX controls and plug-insScript ActiveX controls marked safe for scripting
4. Select the 'Prompt' radio button next to each of the following options:Download signed ActiveX controlsDownload unsigned ActiveX controlsPrompt Initialize and script ActiveX controls not marked safe
5. Select the 'Enable' radio button next to each of the following options under 'Downloads':Automatic prompting for file downloadsFile Download
6. Click 'OK' to save your changes, and then click OK' again to close the 'Internet Options' dialog box.

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How to Retrieve a Lost .dll File

1.
Run the program that uses the missing .dll file. The error message will list the name of the missing file. Note the name of the file.
2.
Visit DLL_Download.net. DLL-Download.net is a website that archives popular and generic .dll files.
3.
Type the name of the .dll file into the field next to '.DLL,' then click 'Find DLL.'
4.
If the missing .dll file is listed, download the file. If you do not find the correct .dll file, then try DLL-Files.com. The .dll file will be in a .zip archive file, and should not take long to download.
5.
Move the new .dll file into the directory of the missing .dll file. If necessary, use WinZip to extract the .dll file. WinZip is a file compression tool that reduces file size, and is particularly useful in compressing numerous files into one archive.
If you do not remember or know where the .dll file is supposed to go, search the folders for the program the .dll file belongs to and look other .dll files. When programs are installed, their .dll files are typically gathered in one folder. Find the folder with other .dll files and replace the missing .dll file.

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