Error 1935 An Error Occurred During The Installation Of Assembly Component Fix

Windows Installers sometimes throw up unknown error messages while installing applications. Error Code 1935 is an error code you may have faced while unloading a package installer on your computer. This actually means the installer has failed to install the assembly component. So, there are some specific solutions that you should enact to get a quick resolution.


1. Restart the PC. Try to install the package after a fresh system reboot.

2. Try to run the installer as an administrator. You should use an administrator account to install the app package.


Fix 1 – Remove the AppModel subkey [MS Office]

If you are facing Error Code 1935 while installing MS Office, follow these steps to fix it.

NOTE – This is a registry edit. So, before proceeding further, create a registry backup before you proceed.

Step 1 – After pressing the Win key once, write “registry“.

Step 2 – Then, when you see “Registry Editor“, open it.



Step 3 – After opening the Registry Editor screen, go to this point –



Step 4 – Then, right-tap the “AppModel” sub-key and tap “Delete” to delete the key.

Step 5 – Tap “Yes” when Registry Editor prompts you for deletion of the key.



Exit the Registry Editor. Restart the system after this.


Fix 2 – Restart or Start the Windows Installer service

Restart or Start the Windows Installer service. Then, try to install the package installer.

Step 1 – Write “services“.

Step 2 – Then, click “Services“.



Step 3 – Get down to the “Windows Installer” service.

Step 4 – Right-click the service and tap the “Start” button to restart it.




This does restart the Windows Installer service. Take another try at the package installation.


Fix 3 – Unregister and re-register MSI

Unregister and re-register MSI from the terminal.

Step 1 – Press the Win key+X and tap “Terminal (Admin)” to open that.




Step 2 – On the Terminal page, click the expand icon and press the “Ctrl” key, and tap “Command Prompt“.




This will open CMD with administrative privileges.

Step 3 – Then, write this code and hit Enter. This will un-register the msiexec.

msiexec /unreg




Step 4 – Next, you can re-register the msiexec. Paste this code and hit Enter.

msiexec /regserver




Close everything and reboot the system. Then, install the package file.


Fix 4 – Repair the Visual C++ files

Repair the Visual Redistributable C++ files.

Step 1 – Directly type “appwiz.cpl” in the search box and hit Enter.




Step 2 – Now, look for the “Microsoft Visual C++ 2015-2022 Redistributable (x64) package“. Select that and click “Change“.




Step 3 – Choose the “Repair” option on the next screen.




Let Windows repair the Visual files. Then, retry installing the same package file once more.

NOTE – Sometimes repairing the visual files doesn’t work. In that case, download the package and install it on your computer.

1. You can download and install the latest MS Visual C++ Redist files from here.




2. Install them on your system by running the downloaded vcredist setup file.





Fix 5 – Fix the Transaction Support

Try running this code to fix the transaction support from the terminal.

Step 1 – Type “command“.

Step 2 Then, right-tap the “Command Prompt“. Next, tap the third option “Run as administrator“.




Step 3 – Type this command in the terminal or you can directly copy-paste it from here.

Step 4 – Then, hit Enter to run the command.

fsutil resource setautoreset true C:\




Wait for a while. Then, when you see the affirmative message of completion of the process, restart the computer.

Try to install the package once more.