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Re:A command-line installer for Windows by stefan_ on Tuesday January 22, 2019 @04:17AM (#18967082)
MSI was the format where you needed to keep the original installer around merely to uninstall it and they eventually hacked-in a stripped down version of MSI installers because well, someone realized how ridiculous that was?

Good riddance.

Re:A command-line installer for Windows by pjmlp on Tuesday January 22, 2019 @07:14AM (#18967710)
Not really, that was badly written installers in InstallShield and friends.
Re:A command-line installer for Windows by vetinari on Tuesday January 22, 2019 @09:03AM (#18968275)
Windows installer made a copy of the msi, just in case it was needed later and put it into C:\Windows\Installer. It kept it even for packages, that were uninstalled or superseded.
Re:A command-line installer for Windows by lpcvoid on Tuesday January 22, 2019 @09:57AM (#18968647)
On my Win10 system, that directory is ~600mb, ~300 files and 17 directories. Not advocating for this system, I just don't think it's that much of a problem.
Re:A command-line installer for Windows by vetinari on Tuesday January 22, 2019 @10:14AM (#18968782)
I have a Win8.1 system, where it is 40 GB. That crossed the annoyance line some time ago.
Re:A command-line installer for Windows by pjmlp on Tuesday January 22, 2019 @09:25AM (#18968397)
I never remember having seen such folder.

Having been doing Windows development since Windows 3.0.

I have been hit by such errors, which on my case were caused by .exe installers.

Re:A command-line installer for Windows by vetinari on Tuesday January 22, 2019 @09:42AM (#18968521)
It is hidden+system, owned by builtin\Administrators and competes with WinSxS, who will take most of your diskspace.
Re:A command-line installer for Windows by pjmlp on Tuesday January 22, 2019 @10:16AM (#18968796)
I stand corrected. All those years without noticing it. :\