Fix: ‘Error 1935: An error occurred during the installation’ issue

This article will show you how to Fix ‘Error 1935: An error occurred during the installation’ issue. Error 1935 is a problem that some users run into when they try to install software for Windows 11/10 using MSI packages. Most of the time, this error happens during installation, and a message pops up saying, “An error occurred during the installation of an assembly.” So, the software in question doesn’t install. A lot of people have said that this problem makes it hard to install Microsoft Office programs.

But it also happens with software that isn’t made by Microsoft. When installing apps, Windows Installers sometimes show error messages that are hard to understand. Error Code 1935 is an error code that you may have seen when you tried to unload a package installer on your computer. This actually means that the installer didn’t get the assembly component installed. Here’s how to Fix ‘Error 1935: An error occurred during the installation’ issue.

What is Error 1935?

Error 1935 is a common Windows installation error that happens when you try to install or update certain software packages, especially Microsoft Office applications or other third-party software. Usually, the error message says, “Error 1935: An error happened while installing an assembly component,” and then it gives some more information.

Most of the time, the error is caused by problems with Microsoft.NET Framework or other parts of the system that are needed for the installation. Error 1935 is a generic error code that can happen when installing software on Windows. Most of the time, the error message will say the name of the assembly that couldn’t be installed.

Fix: ‘Error 1935: An error occurred during the installation’ issue

Run Windows Update

One of the main causes of “Error 1935” could be system parts that are out of date or are missing. When you run Windows Update, your operating system gets the latest fixes and improvements. Follow these steps to see if there are any changes:

1. Click on the Start button and type “Windows Update” in the search bar.
2. Select “Windows Update Settings” from the search results.
3. Click on “Check for updates” and allow Windows to search for and download any available updates.
4. Install the updates, if any, and restart your computer.

Disable Antivirus and Firewall

Error 1935 can be caused by third-party antivirus software or Windows Firewall that gets in the way of the installation process. By temporarily turning off these security features, you can find out if they are the problem. Here’s how to turn them off:

Disable Antivirus:

1. Locate the antivirus software icon in the system tray (usually found in the bottom-right corner of the screen).
2. Right-click the icon and select the option to disable or pause the antivirus protection temporarily. Some antivirus programs may require you to open the main interface to find this option.

Disable Windows Firewall:

1. Type “Windows Defender Firewall” in the search bar and select “Windows Defender Firewall.”
2. Click on “Turn Windows Defender Firewall on or off” from the left pane.
3. Choose the option to turn off the Firewall for both private and public networks.

Perform a Clean Boot

Performing a clean boot helps identify if any third-party applications or services are conflicting with the installation process. Follow these steps to initiate a clean boot:

1. Press the Windows key and the letter R to bring up the Run box.
2. To open the System Configuration window, type “msconfig” and press Enter.
3. Select “Selective startup” on the General tab and uncheck “Load startup items.”
4. Go to the Services tab, check the box next to “Hide all Microsoft services,” and then click “Disable all.”
5. Click “OK” and turn your computer back on.

Install the Software in Safe Mode

By installing the software in Safe Mode, you may be able to avoid problems caused by third-party programs. To put the software on a computer in Safe Mode:

1. Restart your computer and press the F8 key repeatedly during startup until the Advanced Boot Options menu appears.
2. Select “Safe Mode” or “Safe Mode with Networking” from the list and press Enter.
3. Once in Safe Mode, proceed with the software installation as usual.

Update Microsoft .NET Framework

The “Error 1935” problem can sometimes be caused by an old or broken installation of the Microsoft.NET Framework. The problem can be fixed by updating or fixing it. Here’s what you need to do:

1. Visit the Microsoft .NET Framework Official website and download the latest version compatible with your Windows version.
2. Install the downloaded package and follow the on-screen instructions.
3. If you already have the latest version installed, you can try repairing it by navigating to the Control Panel > Programs > Programs and Features. Locate Microsoft .NET Framework in the list, right-click on it, and choose the “Repair” option.

Check Disk for Errors

Problems with installation can be caused by files on your hard drive that are broken. Running the Windows Check Disk tool can help fix these kinds of problems. Here’s how it works:

1. Press the Windows key + X and select “Windows PowerShell (Admin)” or “Command Prompt (Admin).”
2. In the elevated command prompt, type “chkdsk /f” (without quotes) and press Enter.
3. You will be prompted to schedule a disk check upon the next system restart. Type ‘Y‘ and press Enter.
4. Restart your computer, and the disk check will begin automatically.

Perform System File Checker (SFC) Scan

The System File Checker (SFC) tool can scan and repair corrupted system files that might be causing the ‘Error 1935.’ To run an SFC scan:

1. Open an elevated command prompt.
2. Type “sfc /scannow” (without quotes) and press Enter.
3. Allow the scan to complete; this might take some time.
4. Restart your computer once the scan finishes.

What causes Error 1935?

1. Corrupted or missing system files: If one or more system files are corrupted or missing, it can prevent the installation of certain applications. This can happen if your computer has been infected with a virus or malware, or if there has been a power outage or other hardware failure.
2. Permissions issues: If you don’t have the necessary permissions to install an application, you may receive Error 1935. This can happen if you’re trying to install an application as a non-administrator user, or if the application’s installer has been corrupted.
3. Outdated or incompatible software: If you’re trying to install an application that requires a newer version of Windows or another software program, you may receive Error 1935. This can also happen if you’re trying to install an application that’s incompatible with your computer’s hardware.
4. Hardware conflicts: If you have incompatible hardware, such as a graphics card that’s not compatible with the application you’re trying to install, you may receive Error 1935.
5. Viruses or malware infections: If your computer is infected with a virus or malware, it can prevent the installation of certain applications. This is because viruses and malware can corrupt system files or change permissions.

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