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Businesses of all sizes utilize QuickBooks, a crucial accounting program, to handle payroll, invoicing, and financial transactions. Nevertheless, customers occasionally run into installation issues that hinder the program's correct setup. QuickBooks Install Error 1935 is a frequent problem that usually arises during the installation of QuickBooks or other necessary components, such as the Microsoft.NET Framework. Because it interferes with the installation process and could possibly stop users from using QuickBooks completely, this issue can be very annoying.

The reasons of QuickBooks Install Error 1935 will be discussed in this article, along with simple, step-by-step instructions for fixing it on Windows systems.

What is QuickBooks Install Error 1935?

When QuickBooks is unable to install necessary components, including the Microsoft.NET Framework, an installation problem known as QuickBooks Install problem 1935 occurs. Typically, it comes with an error notice that reads:

"Error 1935: An assembly component installation error occurred."

System conflicts, missing.NET Framework files, or antivirus software interference could be the cause of this problem. 

Common Causes of QuickBooks Error 1935

Several factors can trigger QuickBooks Install Error 1935, including:

1. Corrupt or Missing .NET Framework – QuickBooks relies on Microsoft .NET Framework, and if it is missing, outdated, or corrupt, the installation may fail.

2. Antivirus or Firewall Interference – Security software may block QuickBooks from installing certain components, leading to the error.

3. Windows System File Corruption – Damaged or missing system files can prevent the installation process from completing successfully.

4. Incomplete Windows Updates – If Windows is not fully updated, some required components may be missing.

5. Background Programs Conflicting with Installation – Other applications running in the background might interfere with the QuickBooks installation process.

6. Insufficient Permissions – If the user account lacks administrative privileges, QuickBooks may not install correctly.

For More : QuickBooks Update Error 1642
 

How to Fix QuickBooks Install Error 1935

Below are several proven solutions to resolve Error 1935 and successfully install QuickBooks on Windows.

Solution 1: Restart Your Computer

Sometimes, a simple restart can resolve the issue by closing background processes that might be interfering with the installation.

Steps:

1. Close all open programs.

2. Restart your computer.

3. Try installing QuickBooks again.

If the error persists, proceed to the next solution.

Solution 2: Run QuickBooks Installer as Administrator

Running the QuickBooks installer with administrative privileges ensures that it has the necessary permissions to install required components.

Steps:

1. Locate the QuickBooks setup file (.exe).

2. Right-click on the setup file and select Run as Administrator.

3. Follow the on-screen instructions to complete the installation.

Solution 3: Ensure .NET Framework is Enabled and Updated

QuickBooks requires Microsoft .NET Framework to function properly. If it's disabled or outdated, it can trigger Error 1935.

Steps to Enable .NET Framework:

1. Press Windows R and type appwiz.cpl, then hit Enter.

2. Click Turn Windows features on or off (on the left side).

3. Locate .NET Framework 3.5 and .NET Framework 4.5 or later.

4. Ensure both checkboxes are selected.

5. Click OK and restart your computer.

6. Try installing QuickBooks again.

Steps to Update .NET Framework:

1. Visit the official Microsoft .NET Framework website and download the latest version.

2. Install the update and restart your computer.

3. Attempt to install QuickBooks again.

Solution 4: Disable Antivirus and Firewall Temporarily

Security software can interfere with the QuickBooks installation process.

Steps:

1. Open your antivirus program.

2. Disable real-time protection temporarily.

3. Turn off the Windows Firewall:

   • Press Windows R, type control panel, and press Enter.

   • Go to System and Security > Windows Defender Firewall.

   • Click Turn Windows Defender Firewall on or off.

   • Select Turn off Windows Defender Firewall for both private and public networks.

4. Try installing QuickBooks again.

5. After installation, re-enable the antivirus and firewall.

Solution 5: Use QuickBooks Install Diagnostic Tool

QuickBooks Tool Hub contains the Install Diagnostic Tool, which can automatically fix installation issues.

Steps:

1. Download QuickBooks Tool Hub from the official Intuit website.

2. Open the downloaded file and install it.

3. Run QuickBooks Tool Hub and go to the Installation Issues tab.

4. Click QuickBooks Install Diagnostic Tool and let it scan and fix issues.

5. Restart your computer and try installing QuickBooks again.

Solution 6: Check for Windows Updates

Installing the latest Windows updates ensures that required components for QuickBooks installation are available.

Steps:

1. Press Windows I to open Settings.

2. Click Update & Security.

3. Select Check for updates.

4. If updates are available, install them and restart your computer.

5. Attempt to install QuickBooks again.

Solution 7: Perform a Clean Boot

A clean boot starts Windows with only essential services, preventing background applications from interfering with QuickBooks installation.

Steps:

1. Press Windows R, type msconfig, and hit Enter.

2. In the System Configuration window, go to the Services tab.

3. Check Hide all Microsoft services, then click Disable all.

4. Go to the Startup tab and click Open Task Manager.

5. Disable unnecessary startup programs.

6. Restart your computer and try installing QuickBooks.

Solution 8: Reinstall QuickBooks Using the Clean Install Tool

If the error persists, a clean installation of QuickBooks may be necessary.

Steps:

1. Uninstall QuickBooks:

   • Press Windows R, type appwiz.cpl, and press Enter.

   • Locate QuickBooks, right-click it, and select Uninstall.

2. Download and run the QuickBooks Clean Install Tool from Intuit's website.

3. Follow the instructions to remove residual files.

4. Restart your computer and reinstall QuickBooks.

Conclusion

Although QuickBooks Install Error 1935 can be annoying, you can fix it and install QuickBooks on Windows by following these simple steps. Restarting your computer and executing the installer as an administrator are two easy ways to start. Update Windows, use QuickBooks Tool Hub, make sure the.NET Framework is up to date, and temporarily disable security software if the issue continues. Use the Clean Install Tool to reinstall QuickBooks or do a clean boot if required. You may fix Error 1935 and make sure QuickBooks functions properly on your computer by following these steps.