When installing Visual Studio 2017 Professional 15.9.0 the installation hangs at 97% while installing Microsoft.VisualStudio.AspNet45.Feature.
I'm posting this only because it seems to be a problem that is almost two years and is still an issue.
There are several posts like this one: https://developercommunity.visualstudio.com/content/problem/24739/installation-stuck-at-applying-microsoftvisualstud.html#reply-form
Most indicate the issue has been fixed in later versions, but that doesn't seem to be the case. I let the process run over night and it never went anywhere.
If you encounter the issue of your Visual Studio installer becoming stuck while installing ASP.Net45.Feature, you need to do the following:
[Alt + Ctrl + Del] to open Task Manager.
Locate a process named "Dism Image Servicing Utility".
View the "Dism Image Servicing Utility" Properties -> Details tab.
Confirm that the Original Filename is "DISM.EXE" in the Details tab.
Close Properties and End Task. (Note: If you have two of these processes in the Task Manager, just kill the bottom-most one. You can leave the second one running since for some Microsoft reason, killing just one does the trick).
Enjoy the completion of your Visual Studio installation. Once the process is killed, the install continues immediately.
There was a process name DISM.exe in task manager. I killed it and it work.
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