Accurate methods to resolve QuickBooks error 1603

Accurate methods to resolve QuickBooks error 1603

QuickBooks is a dependable bookkeeping software that helps in reducing the burden of accounting and related financial tasks. We all know that accounting should be precise and quick for any business to succeed. QuickBooks fulfills all these requirements and provides excellent results.  However, the software is always on the brink of developing errors that are harmful and can affect multiple functions of QuickBooks. QuickBooks error 1603 comes up while installing the software and halts the installation process. If you are also in the same situation where you can’t install QuickBooks even after so many attempts, read the full blog to know the causes of this error and the methods that can be used to fix it.

Contact our QB support team at +1-888-704-1357 for troubleshooting.

About the error

This is basically an installation error that emerges while you try to install QuickBooks on your computer. It might be because of some issues in the Windows Installer, and the installation will fail every time you try. Every time you try to install the software, the process will stop in between, and you’ll receive error codes on your screen. It is not a reason to worry, as the error can be easily removed by configuring some settings on your computer.

See more guides like this: QuickBooks update error


The circumstances which cause this error to develop in the software are mentioned below-

  1. The installation file you are using is corrupted or damaged because of data losses while you downloaded the file.
  2. The firewall/Antivirus active on your computer isn’t allowing QuickBooks to be installed.
  3. Some Microsoft components like .NET framework or MSXML are damaged.


The methods which can be used to tackle this error in QuickBooks are mentioned underneath-

Solution 1- Repair the Microsoft MSXML component manually

The software will face issues while installing if the Microsoft components are damaged and are not working properly. You’ll have to register the MSXML.dll file to repair the issues that occurred while installing QuickBooks. You are advised to back up your data before proceeding to the steps below-

  • For 64-bit operating system
  1. Go to the search panel using the Windows Start button.
  2. Search forcmd, right-click on the cmd icon in the search results, and select Run as administrator.
  3. Type cd\windows\syswow64in the cmd window and press Enter.
  4. Again, typeregsvr32 MSXML6.dlland press Enter.
  5. Close cmd after you see ‘DllRegisterServer in MSXML6.dll succeeded’ on your screen.
  6. Try reinstalling QuickBooks on your computer.
  • For 32-bit operating system
  1. Go to the search panel & open cmd.
  2. Type regsvr32 MSXML6.dll as a command and press Enter.
  3. Try to Reinstall QuickBooks once a message ‘DllRegisterServer in MSXML6.dll succeeded’ appears.

If you still cannot install the software due to the error, try the next solution.

            You may also read:- QuickBooks 2022 keeps crashing

Solution 2- Use the QuickBooks Tool hub to fix internal issues in the software

You should always use an updated version of the QuickBooks tool hub on your computer. If you have already installed it, refer to the steps below-

  1. Open the QuickBooks Tool hub and click on Installation Issues.
  2. Click on QuickBooks Install Diagnostic Tool and wait till the tool finishes.
  3. Try to reinstall QuickBooks.

The error will be sorted after using these methods.


These were the details of including the reasons it might have occurred on your system and the methods to fix it. We hope the methods were effective and the error is now resolved from the software.

If you still have queries, dial +1-888-704-1357 and talk to a QB expert directly.

Related article:- QuickBooks Tool Hub

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