Fix QuickBooks Error code 1603 in Simple Steps (Updated Steps)

Enormous features of QuickBooks like payroll services, generating and sending of invoices, maintaining reports etc. In order to make the working efficient and to adapt to the continuous changes, QuickBooks also keeps on bringing new updates and releases.  Despite all these efforts, sometimes QuickBooks encounters several errors. QuickBooks Error code 1603 is one such error. This error usually happens when you try to open or install QuickBooks on your computer. It happens when QuickBooks require some of the components to run but they are not available as windows or QuickBooks backend damaged or corrupted files issue. 

What is QuickBooks Error code 1603? 

QuickBooks Error code 1603 happens due to windows update failure. It appears when you try to open or install QuickBooks and the components which are required by QuickBooks are not available. 

QuickBooks Error code 1603

QuickBooks Error code 1603  comes up with the following messages:

  • Error status 1603: The update installer has encountered an internal error.
  • Error status 1603: Unable to apply the patch.
  • Error 1603: Fatal error during installation.
QuickBooks Error code 1603

Also Read: How to Get QuickBooks Error 1321 Fixed

Signs of QuickBooks Error code 1603:

  • The company file might be locked.
  • Microsoft NET 1.1 SP1 installer is not installed properly.
  • Damaged Microsoft C++ and MSXML components.
  • Microsoft Windows installer may have been corrupted.

What causes QuickBooks Error code 1603? 

1.There is some problem with Microsoft .NET framework. 

   Problems in the .NET framework 3.5 or later can result in occurrence of Error 1603. 

2. Microsoft MSXML and C++ files may be damaged. 

Any kind of damage or corruption in C++ files or MSXML files also causes QuickBooks Error code 1603 to happen. 

3. There must be some issues with the windows. 

Corrupt windows or failure in downloading or installation of windows can be the reason for this error. 

Installation of QuickBooks is not proper. 

Also Read: QuickBooks Enterprise Support 

What are the ways to fix QuickBooks Error code 1603?

Method 1: Downloading and Installing QuickBooks Tool hub. 

  • First of all, it is recommended that you close the QuickBooks desktop. 
  • Next step is to download the QuickBooks tool hub from the manufacturer’s website. 
  • Now, you have to reach your download list by pressing CTRL+J
  • From the list of downloads, click on QuickBookstoolhub.exe. 
  • In order to allow this app to make changes, you need to click on YES.
  •  Now, click on Next to begin with the installation process. 
  • Make a click on Finish, once the process of installation is finished. 

Method 2: Installing QuickBooks Diagnostic tool.

  • From the icon which is now present on desktop, go to the QuickBooks Tool hub. 
  • You have to now reach to the Installation issue tab and there you have to click on QuickBooks Install Diagnostic tool. 
  • It might take some time to complete the configuration
  • Once the configuration is done, You have to click on YES so as to accept the license agreement.
  • Now, you need to click on Proceed, so that is starts repair of the components of QuickBooks, 
  • Once this is done, you have to restart your computer. 

Method 3:Repairing MSXML 4.0 to fix QuickBooks Error code 1603

  • Insert the CD for installing Quickbooks.
  • Close all QuickBooks applications.
  • For  windows 7 or vista: 
  • Go to the start button.
  • In the search bar, type msiexec.exe/fvaum “D:\QBOOKS\msxml.msi.
  • For window XP:
  • Press windows and R key.
  • In the run box, type msiexec.exe /fvaum “D:\QBOOKS\msxml.msi.
  • Click ok.

Also Read: How to Resolve QuickBooks Error 6000, 95

Method 4: Manually fixing the Windows component. 

  • If the above mentioned methods does not fix QuickBooks Error code 1603, then you will have to manually fix the components of windows. For this you can reach out to any IT expert or you can also contact Microsoft support for this. 

Method 5: Repairing the . NET framework. 

  • Begin with pressing the Windows+R together from the keyboard. 
  • This will open a Run pop out on the screen.
  • In the run box, you have to type appwiz.cpl and hit OK. 
  • From the list which appears, select MSXML 6.0 and from the top of the list click on the option of Uninstall. 
  • From the microsoft website, you have to download the msxml.msi file. 
  • Once the download is complete, you need to make a double-click on it and follow the on-screen steps to continue. 
  • Once the installation of MSXML file is complete, you have to install the QuickBooks desktop. 
Method 5: Repairing the . NET framework.

Also Read: How to Resolve QuickBooks Error 4120

Method 6: Installing windows update

On window 10, 8.1 and 8:

  • Click on the windows icon. 
  • Reach the settings
  • Go to update and security. 
  • Moving ahead, click on check for updates.
Method 6: Installing windows update

On windows 7:

  • Go to the start button.
  • Reach the control panel. 
  • Go to the system & Security option.
  • Click on windows update.
  • Next, click on Check for updates.

Hopefully, these troubleshooting were helpful in fixing QuickBooks Error code 1603. But, if you feel that you are stuck somewhere and you need expert assistance to fix QuickBooks error 1603,then you can call QBS Solved at +1(888) 910 1619 or you can also visit our website

You cannot copy content of this page