How To Fix QuickBooks Error 1603?​

One must have understood that with no access to your Accounting Software, one might come across massive losses In their business, as day to day business entries are important to analyze. In the QuickBooks Error 1603, one might face a lot of issues, like it may not let you view your financial & accounting reports. This blog will help you to grab knowledge about the QB error Code 1603, that one might receive while using QB Desktop.

Causes of QB Error Code 1603


  • QuickBooks Installation files might not be complete or may be damaged.
  • Few of MSXML & Microsoft C++ Components might be missing or damaged.
  • Windows Installer Components might be missing
  • Microsoft .Net Framework might be damaged.

Steps to Fix QuickBooks Error code 1603

Solution 1: Repair the Issues and Errors Manually

It’s possible that Installing the Diagnostic Tool does not fix the issues and errors that are creating problems while running QuickBooks, at that point of time, a requirement of fixing these components manually is essential to get that working.

You are highly advised to take expert advice if you are in doubt that how to fix the Intuit
QuickBooks Error 1603.

Follow the steps given below to completely fix the error manually:

Step 1: Download and Install Windows Updates

For Windows XP & Vista

  1. Firstly, Hit the Windows key on your keyboard or click on the Start Button on your home screen.
  2. Select Control Panel from the list.
  3. Then, click on System & Security.
  4. In this step, You need to click on Windows Updates
  5. Lastly, Check for the windows Updates if available.

For Windows 7, 8, 8.1 & 10

  1. Firstly, Hit the Windows key on the keyboard or click on the windows tab on the home screen.
  2. Secondly, Move to the Settings & click on it.
  3. Thirdly, Click on the option “Update & Security”.
  4. Lastly, Check for updates and make sure you update to the latest software if any is available.

Step 2: In This step, You need to start Windows Installer Service again.

  1. Click on the Start button and select Control Panel.
  2. Secondly, Select on the Option “System & Security”.
  3. Thirdly, click Administrative Tools.
  4. Now, right-click on Services and hit open.
  5. Then, you need to find the option “Windows Installer Service”.
  6. Lastly, you need to select the option “Restart-Service”.
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Note: Move to the Control Panel from Start Button on Your Home Screen

Step 3: You need to Repair the Microsoft.Net Framework

  1. Secondly, you need to select the option “Uninstall a Program”
  2. Thirdly, Hit the Option “Windows Features” & then Check the .Net Framework if you did not check that before & If you have checked it beforehand, then you need to uncheck the options.
  3. Then, you need to Restart the computer & Check the .Net Framework 3.5.1.
  4. Lastly, Turn off the computer and turn it on.

Step 4: Reinstall Microsoft XML & MS C++

  1. Click on the Control Panel.
  2. Secondly, you need to Uninstall the Program.
  3. Thirdly, From the list, you need to uninstall all Microsoft XML & Microsoft C++ components that might be creating an issue.
  4. Now, Turn off the computer and restart it again.
  5. Lastly, you need to again download and install the components from MS Website.

Once all the above steps are done, you would be able to download, Install & work on the Quickbooks software without any problem.

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Solution 2: Repair QuickBooks by Downloading and Installing Diagnostic Tool.

This tool is one of the best tools that can help you in diagnosing the issue automatically and then solve the QB Error 1603 which is caused because of C++, MS.Net Framework, & Microsoft XML components.

The steps that are given below need to be followed to know, how to use this tool:

  • Firstly, you need to Download Quickbooks Install Diagnostic Tool in your computer.
  • Secondly, once the tool is downloaded, proceed further & Install the application.
  • Thirdly, Run the application & then it might take up to 30 minutes to complete the repair process.
  • Lastly, you need to Restart the computer system again.

To get the solution or fix this error permanently, you should reinstall the QBDT software in your computer system.

Points to remember how to uninstall QuickBooks:

  • Firstly open your system, then by using your keyboard select Windows + R to open the software and give the command for running this software.
  • In the second step, the user has to write in the control panel, and then press ok.
  • Now navigate to programs and features and click on it.
  • In final steps, you have many programs, so choose QuickBooks, and select the change/uninstall the software.
  • To complete this process you have to follow these steps.

By following these steps now you have completely uninstalled these program, now you have to download the clean install tool. If you still face the problem at this point in time you can call us.

Note: Rename the installation folders and download and use the QuickBooks clean install tool to have this file you have to use the (.)EXE file for the steps mentioned above. 

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