Fixing 0×80040702 Error


Error 0×80040702 usually occurs when you try to install software in your computer. There is no fixed solution for this error. The solution differs from different situations.


Symptom One

When you install coreldraw to your computer, you may receive an error resemble that:

Error 0×80040702: can’t locate dll: swcusten (CorelDraw 11-File Not Found)

This error message indicates that the certain dll is not found in the system, thus the installation cannot continue. To solve this error, the missing dll needs to be restored. To do this:


  1. Click the Start button and select the Search command.
  2. Here, click All files and folders.
  3. In the All or part of the file name box, type SWcustEN.dll and select the Local Hard Drives option in the Look in list.
  4. If file is shown in the search results, copy and paste it in the Windows\System32 folder.
  5. Repeat steps 3 and 4 for the MCsetup.dllfile.
  6. Insert the installation disk of CorelDRAW11 to proceed with the installation.


Symptom Two

 The error 0×80040702 can occur when you are trying to reinstall a programme that has been previously installed in your computer. The cause of this error is that some files from previous installation has left in the system and prevent the new installation from being completed.

However, you may have already uninstalled the programme and now you don’t know what to do next. Actually, the add and remove function in windows, in such case, will not be able to remove the old files thoroughly. You will have to refer to professional registry cleaner or uninstaller to get all the old files from your pc.






How to Fix “magcore.dll is missing” Error


MagCore.dll is a file within ArcSoft programs, which are mainly video & audio editing tools. Despite this file playing an important role in the smooth operation of various pieces of ArcSoft software, it’s also common for it to either be damaged, corrupted or unreadable – resulting in numerous errors appearing on your system. To resolve this problem, you should evaluate the errors and repair the corrupted file itself or any registry errors that cause the system errors.


Normally, the symptom of Magcore.dll error will show as below:

  • “The file magcore.dll missing”
  • MagCore.dll cannot be found




Step One:  Uninstall and reinstall ArcSoft programmes.

Although this solution seems very simple and not reliable, it is always very effective and should be the first solution to be considered. By uninstalling and reinstalling the programmes, the corrupted registry and files will be wiped out and new registry rewritten. It will solve the problem which is caused by file or registry corrupted.

To reinstall ArcSoft Software:

  1. Click Start.
  2. Click Control Panel.
  3. Double click Add or Remove Programs.
  4. Right click the ArcSoft software installed on your computer and click Remove/Uninstall.
  5. Restart Windows.
  6. Install the ArcSoft software from either the installation CD/DVD or download the software from the Web.


Step Two:  Download and run a registry fixer

As mentioned above, the problem may be caused by registry problem. It is recommended that you download and install a registry cleaner to detect and fix the errors for you. It is much safer and effective in solving your errors.



Fixing “dom exception: syntax_err(12)” In Facebook

When you use your browser to view facebook webpage and download games, you may get an error as below:


DOMException.SYNTAX_ERR  (12)

An invalid string value is specified.


This error may occur after you update windows system or install any new software in your computer. When it occurs, you will not be able to download games from facebook. The browser is having activex problem or code error and needs to be fixed.


Method 1: Enable compatibility view settings in Internet Explorer.

To enable this setting, follow the instructions in below links.

How to use Compatibility View in Internet Explorer 9

Some Web sites may not behave as expected in Internet Explorer


Method 2: Reset intetnet explorer

  1.    1. Click the Internet Explorer Tools menu, or press Alt-T on your keyboard.
  2.    2. Select Internet Options.
  3.    3. On the Advanced tab, click Reset.
  4.    4. Select the “Delete personal settings” checkbox.
  5.    5. Click Reset.
  6.    6. If you still don’t see the Toolbar, try the steps above again to re-enable add-ons and the Toolbar.


Method 3: Fix registry errors with a registry cleaner

  1. download a registry cleaner
  2. scan the computer and clean the errors
  3. It will find the activeX and code errors in internet explorer and fix the errors automatically.
  4. You will be able to download from Facebook again.



How to Fix Shell32.dll Error


Shell32.dll is an important file in system that contains the codes of how to open webpage and files, and the default setting of newly created files, etc. It enables the system to detect and bring up related programmes.


If shell32.dll is corrupted or missing, you may get below errors:

“Shell32.dll Not Found”
“This application failed to start because shell32.dll was not found. Re-installing the application may fix this problem.”
“Cannot find [PATH]\shell32.dll”
“The file shell32.dll is missing.”
“Cannot start [APPLICATION]. A required component is missing: shell32.dll. Please install [APPLICATION] again.”

The symptom of the error is that you cannot open some programmes or visit some webpages. You may also have blue screen error.


Cause of Shell32.dll Errors

Shell32.dll errors are caused by situations that lead to the removal or corruption of the shell32 DLL file. In some cases, shell32.dll errors could indicate a registry problem, a virus or malware issue or even a hardware failure.


How to fix Shell32.dll Error?


Method 1: replace the dll in the system

You can download the dll from free dll download websites. Many websites on internet offers free download of dll files. But you have to make sure to download a dll that matches your system configuration.

If you are afraid of downloading wrong dll, you can use this dll fixer to download the file. It will list the dlls according to their systems, and you can choose which one to download. And it will automatically save the dll file to the correct folder and register the dll for you.


Method 2:  Run system file check to fix the dll problem.

System file check is a very effective way in solving dll problem. It will scan your system files and detect which file is missing and restore the file for you. To run a system file check:

  • press Win+R button on your keyboard
  • type cmd press enter
  • type SFC /SCANNOW
  • Press ENTER.

When it finds error, insert your system repair CD and let it repair the system for you. It will solve your problem.


Method 3: Download a registry cleaner and dll fixer to solve the problem for you.

The tool will detect and remove invalid registry entry in the system that causes the problem and replace the file for you automatically. It will also improve your computer performance and will protect your pc from further errors.


How to Solve d3dx9_41.dll Not Found Error


The d3dx9_41.dll is an important file that is contained in DirectX. This file is needed for many games to run properly. If it is corrupted or missing from the system, you will have problem running games, and will possibly get below errors:


  • “D3dx9_41.dll not found. Reinstalling might help fix this"
  • "D3dx9_41.DLL Not Found"
  • “The file d3dx9_41.dll is missing"


What is the cause of this error?

The most common cause is that virus or malware in your computer has infected this file, and when such virus or malware are taken off the computer, the file will also be deleted. The error thus occurs.


How to solve this error?

Since this is an error of file not found, you can solve the problem by restoring the file back to system. But to make the file function again, you will have to store the dll to correct folder. Normally, the d3dx9_41.dll will exist in below places:

  • \Windows\System32\d3dx9_41.dll
  • \Program Files\TOSHIBA\HDD Protection\d3dx9_41.dll
  • \Downloads\d3dx9_41\Mar2009_d3dx9_41_x64\d3dx9_41.dll
  • \Users\czy\Downloads\DirectX+repair+V1.0\DirectX repair V1.0\Data\B\d3dx9_41.dll\Program Files (x86)\Stardock\Object Desktop\WindowBlinds\64\D3DX9_41.dll
  • \Windows\System32\Mar2009_d3dx9_41_x64\d3dx9_41.dll
  •  \Program Files\StreetFighterIV\d3dx9_41.dll
  •  \Games\Games parts\d3dx9_41\64bit\d3dx9_41.dll
  •  \Windows.old\Windows\System32\D3DX9_41.dll
  •  \Users\luc\Desktop\X64\9.26.952.2844\d3dx9_41.dll
  •  \games\Magicka-Gamersky\Magicka-Gamersky\LIMBO\D3DX9_41.dll
  •  \Downloads\music\football manager 2012\directx\d3dx9_41.dll
The file is used by many applications and games. But it doesn’t mean that you have to restore the file to all these folders since you may not have those application in your computer. The best solution is to restore the file to system32 folder under C:\windows.
Method 1: Reinstall directX in your computer.

Download and install the latest version of DirectX from Microsoft website. If you want to verify the version of DirectX installed on your computer before installing the latest one then this is what you need to do:

  1. Click Start.
  2. Click Run.
  3. In the Run dialog box, type dxdiagand then press Enter to open the DirectX Diagnostic Tool.
  4. Check the information listed against DirectX Version under the System tab.


Method 2: Run SFC and use the repair CD to get back the file

  1. Click Start.
  2. Click Run.
  3. Type Cmd in the run box and press enter
  4. In the pop up command window, type in SFC /SCANNOW
  5. Press enter and let the computer scan for the missing files. When it asks for a repair CD, insert the CD.


Method 3:  Download a Dll Fixer and let it regain the file for you.

  1. download the dll fixer
  2. click system fix
  3. click dll download
  4. enter the dll name and press Search button
  5. Download the dll (it will be stored in system32 folder automatically)
  6. Click register dll to make the dll function again


Once the file is back in your system, you will find the errors all gone and your applications will run properly again.

How to Fix Applesyncnotifier & ItunesHelper Error

When you try to open itunes or update it, or sync the phone with itunes, you may get below error:


AppleSyncNotifier: The procedure entry point sqlite3_wal_checkpoint could not be located in the dynamic link library SQLite3.dll.

iTunesHelper.exe  Entry Point Not Found

The procedure entry point sqlite3_wal_checkpoint could not be located in the dynamic link library SQLite3.dll


Once you get this such error, you may not be able to open itunes or use your apple softwares. And the most desperate thing is, even if you reinstall itunes, the error still comes up. It seems that the only thing we can do is to reinstall windows. Actually, the fix for this problem is simple and easy.


Solution 1st:

  1. Temporarily shut down anti-virus and firewall software
  2. Open Control Panel, Programs and Features (or Add and Remove Programs), and go to the uninstall section
  3. Remove all Apple products in this order – iTunes, Quicktime, Apple Software Update, Apple Mobile Device Support, Bonjour, Apple Application Support.  You do not need to remove Safari
  4. Restart computer
  5. Go to and download newest version of iTunes
  6. Re-install


Solution 2nd:

Pls download the dll from below:

Click Download sqlite3.dll and start to download.

decompress the file and save to :

c:\windows\system32 directory


Solution 3rd:

Get a dll fixer to restore the corrupted sqlite3.dll for you. It will scan your computer and find the corrupted dll and restore it. It will also adjust incorrect setting that blocks a programme from running properly. Install this dll fixer will help you to get your itunes work again.


Solution to User32.dll not Found Error

User32.dll is a file that contains information of graphic details for showing dialog box or other visual windows in the system. If this file is missing or corrupted, pop up dialog boxes or windows will not be displayed. There may be difficulty in using programmes that rely on windows display.

If you have seen an error that User32.dll cannot be found, it is very possible that you already have problem in managing windows. To solve this problem, you will need to get user32.dll back to your system. There are three solutions to restore your user32.dll back:


First, install the latest windows update. Normally, the windows update will fix some bugs and errors in the current system. It may also help recover the missing files for the system. To install the latest windows update, just click start button, control panel, find windows update centre, and then scan for latest updates.


Second, download the user32.dll from dll websites. There are many websites that offering free dll download. You can search and download one from those sites. Save the file in C:\windows\system32 folder. After that, go to start button, run box, type regsvr32 user32.dll and press enter. Please note that user32.dll file differs from systems. You have to get the correct user32.dll for your system. If you can’t find one, it is recommended that you use the install CD or repair CD to get it back. Or use a system fix tool to automatically detect and download the correct dll for you.


Third, run an scan of any virus or malware. Virus and malware can destroy user32.dll and replace it with a fake one such as user19.dll or use32.dll. These dlls will make change in your registry and alter your browser homepage and link you to some costly advertisement webpage. If you find your browser starts to act strangely, please don’t hesitate to do a thorough scan of malware and virus. If the registry is corrupted, you can use this tool to repair it.




How to install DLL files?

Dynamic Link Library (DLL) files are an essential part of the Windows operating system. Although they are ubiquitous, most PC users neither know nor care what these files do. Nonetheless, a little understanding of the role that DLL files play can make the computer a little less of a mystery box. Only programmers and computer technicians need to know any of the gory details of the structure and function of a DLL, but these files are so important that all of us should know a few simple facts about them. Here is some information for the non-technical PC user.
Below are the detailed instructions on how to unzip your FREE files when you download a missing dll file from the internet.
1. Open the zip file downloaded from the internet.
2. Make sure that you overwrite any existing files, but be sure to make a backup copy of the original file.
3.Reboot your computer.
If this doesn’t work, you will have to extract the file to your system directory following the steps below:
1. These are the default system directories
2. Make sure that you overwrite any existing files, but be sure to make a backup copy of the original file
3. Reboot your computer.
If the problem still occurs, try the following:
1. Open Windows Start menu and select “Run…”
2. Type CMD and press Enter (or if you use Windows ME, type COMMAND).
3. Type regsvr32 "filename".dll and press Enter.

How To Fix Msvcr80.dll Missing Errors?


Msvcr80.dll is a dynamic link library file in windows system. Dynamic link libraries are considered to be the most important files for the system to run properly and smoothly. Msvcr80.dll contains large sums of codes that ensure the running of Microsoft visual studio. If this file is missing or corrupted, you may not be able to open windows or other applications that requires visual studio running.


The corruption or missing of Msvcr80.dll may be the result of malware or virus attack, and will probably lead to below symptoms:


  1、cannot delete the desktop icons

  2、cannot open online games

  3、blue screen

  4、lost of sound and audio 

  5、cannot show desktop

  6、homepage has been altered (due to malware)


To solve these problems, you need to follow below instructions:


First, scan your computer with your antivirus or malware software at once. Don’t hesitate to do this, since the virus and malware in your computer will keep doing harm to your system and the damage may spread to other parts of the system. Run a thorough scanning, not only in the system disc, but also other discs. After removing the virus and malware, if the problem still exists, go to next step.

Second, download the dll from internet or your install disc. If you have your repair CD on hand, run system file check and use the CD to restore your dlls. This can be done by:

-press Win+R button on your keyboard

-type cmd , and press enter


-press ENTER.

 Or you can download the dll files from internet. There are many websites offering dll download. After download finishes, save the file to C:\windows\system32 folder. And then open a command window, run a command as below:

regsvr32 dllname


Third, downloa a registry fixer to fix the dll problem for you. It has dll download function and will automatically register the dll for you. It will solve the problem very quickly and easily.

CoreFoundation.dll Fix

corefoundation.dll is a CoreFoundation belonging to CoreFoundation Dynamic

Link Library from Apple Computer, Inc.


Method A:


1, download from: Application Support/CoreFoundation.dll

Save to C:\Program Files\Common Files\Apple\Apple Application Support dir

2, download Device Support/CoreFoundation.dll

Save to C:\Program Files\Common Files\Apple\Mobile Device Support\bin\ dir


Restart your computer.



Method B:


Please try this method first:


1. If iTunes is still installed, uninstall iTunes.

2. Download and install the latest version of iTunes.