SolidWorks 2021 Installation Error: “Windows Installer did not run as expected: INSTALL”

[Tim25Fa]

Prerequisites

• I have searched for duplicate or closed issues.
• I have made sure the issue is not related to (-8 554 0).

Describe the issue

Hello,

I am currently trying to install SolidWorks 2021 by following an installation tutorial video on my laptop running Windows 11. When I start the installation using the setup.exe file, the download begins normally. During the process, several components are installed successfully, including Microsoft Visual C++ Redistributables (2010, 2012, 2013, and 2017) and Microsoft Visual Studio Tools for Applications 2015.

However, immediately after these installations, the following error message appears:

“Internal Error: The Windows Installer for this product component did not run as expected: INSTALL.”

While searching online for possible solutions, I found this tutorial explaining how to fix the issue:
https://cadvision-systems.com/blog/install/fix-internal-error-installation/

I carefully followed all the steps described in the guide and tried running the installation again, but the same error message still appears at exactly the same stage.

There is, however, one step in the tutorial that I was unable to follow. In Step 7, it instructs users to go to Control Panel > Programs and Features and uninstall all versions of Microsoft .NET Framework, starting with the most recent one. On my system, I cannot find any installed versions of Microsoft .NET Framework that can be uninstalled. I am not sure whether this is normal or if it could be related to the issue.

Does anyone know how I could fix this problem so that I can finish installing SolidWorks 2021 on my computer?

Thank you in advance for your help, and I remain available if any additional information is needed.

Anything else?

No response

Which tutorial did you follow

Attached video

Any error codes from Solidworks?

Internal Error: The Windows Installer for this product component did not run as expected: INSTALL.

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[DefinetlyNotAI]

Hello, can you attach an image of the error?

[Tim25Fa]

Hello,

Thank you for your interest in my issue.

As I had not taken a screenshot of the error message when it first appeared, I tried running the installation again to reproduce the issue and capture it for you. However, for some reason, the error did not appear this time, and the installation completed successfully. SolidWorks is now installed on my computer and seems to be working perfectly, which is great news.

That being said, I was able to find the error message I previously encountered online, and I am attaching it here (tell me if you can see the screenshot) in case it may be helpful, especially if someone else experiences the same issue, as it seems to be a recurring problem when installing SolidWorks.

Thank you again for your help, and I wish you a great day.

Best regards,

[DefinetlyNotAI]

Its great that the issue got solved, now I would have asked for you to click the Save Logs for Support but the issue seems fixed

Good luck and have a great day!