So I had to learn Python this semester and eventually I followed an online tutorial to install python on Windows 7 (64 bit). 

But during the installation, I got the error: 0x80070643: Failed to Install MSI Package: 

What's wrong with the installation? I even tried the x84 bit setup as well.

In your %TEMP% directory there will be some log files starting with "Python". Could you find and attach them to this bug so we can take a look?

Also, could you provide the link to the download you used? Thanks

Hi, I downloaded through this link.

https://www.python.org/ftp/python/3.7.1/python-3.7.1.exe

Also, I couldn't find any file related to Python in the Temp Folder but I've still attached the screenshot in case it helps.

That's unfortunate that you can't find the log files. Without them, there's nothing we can do to help.

Can you try running the installer again? On the last (error) page there should be a link to the main log file.

Did you try to use SubInACL tool by Microsoft? Perhaps, it can fix your issue. Here, I'm adding references for the same i.e. download link & guide (Method #13) to use it:

1. https://www.microsoft.com/en-in/download/details.aspx?id=23510

2. https://validedge.com/0x80070643/

Hi Michael, 

Thanks for reaching out. Let me try these links.

Hi Sorry for replying so late, I couldn't find the right method to use on this website. 

Also Steve, if I download some old version of python, would it support the latest functions that I need to learn this semester.

I don't know what is on your syllabus, but you might have more luck with Anaconda or WinPython than Python 2.7 or 3.4 (which is how far back you'd have to go to get a different installer).

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Can you please find the log files and attach them or you could also provide the download link as without it there is nothing that can be done.