How to Repair Microsoft MSXML for QuickBooks

Microsoft XML Core Services (MSXML) is a collection of services that enables applications developed in Script, VBScript, and Microsoft tools to create XML-based applications for Windows. It is a crucial component of Windows, and when it gets damaged, QuickBooks Desktop will not function correctly. Issues with MSMXL lead to problems with the program's installation. You can receive various errors due to damaged/corrupted MSXML. For eg. An unrecoverable error has occurred. Exception msxml could not cocreate instance, and C=343 Filename.dll is not an executable file. In this blog, we will explain how to repair Microsoft MSXML for QuickBooks to overcome these complex errors.

Reason for MSXML Error in QuickBooks

Below are the possible reasons that can trigger such an error in your computer.

• During installation, QuickBooks Desktop requires access to the QBRegistration.dat file, which is formatted in XML. The installation program utilizes MSXML 4 to read this file. If MSXML 4 is not installed or is damaged, the program will be unable to read the file, leading to errors.

• A damaged or unregistered Microsoft XML Parser (MSXML) can also contribute to these errors. If the parser is not functioning correctly, it can disrupt the installation and registration processes of QuickBooks Desktop.

• The Microsoft Core XML Services DLL (MSXML.dll) file, which is essential for the functioning of QuickBooks, may be missing, damaged, or not properly registered on your Windows operating system. This can prevent QuickBooks from accessing necessary components during its operation and may lead to QuickBooks unexpected error c=343.

Troubleshooting Steps for Fixing Issues with Damaged MSXMLSolution 1: Register the MSXML DLL files

The steps below will help fix issues related to MSXML by properly registering the necessary DLL files. To resolve problems caused by a damaged MSXML, follow these steps to register the MSXML DLL files:

For a 64-bit Operating System:

• Open the Windows Start menu.

• Type "cmd" into the search bar.

• Right-click on "cmd".

• Choose "Run as Administrator."

• At the command prompt (C:), type cd\windows\syswow64

• Press Enter.

• Enter regsvr32 MSXML6.dll.

• Press Enter to register the DLL file.

• Proceed to install QuickBooks Desktop.

For a 32-bit Operating System:

• Press Windows+R.

• Open the Run command.

• Type "cmd" and hit Enter.

• Access the command prompt.

• Enter regsvr32 MSXML6.dll.

• Press Enter to register the DLL file.

• Install QuickBooks Desktop.

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Solution 2: Uninstall and Reinstall MSXML 6.0

• Go to the Start menu.

• The search bar will open.

• Type "Programs and Features."

• Press Enter.

• Look for "CPL" and press Enter.

• Locate MSXML 6.0 in the installed programs list.

• Select it, and click "Uninstall/Change."

• Follow the on-screen instructions to uninstall MSXML 6.0.

• Visit the official Microsoft website and download the MSXML 6.0 installation file (msxml.msi).

• Install MSXML 6.0 on your computer.

• After installation is complete, try installing QuickBooks again.

Conclusion

After following the above troubleshooting steps, you can easily repair Microsoft MSXML for QuickBooks and fix any damage, corruption, or other MSXML-related issues.

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