VS will not start or reinstall - multiple errors

  • Thread starter Thread starter DeadpointIndy
  • Start date Start date
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DeadpointIndy

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A few weeks ago I was debugging a project with a coworker and were getting some weird errors. After googling around we found a post suggesting we try deleting some files from a windows .Net directory. (unfortunately dont recall exactly which directory this was)

This broke all installations of visual studio on my machine. 2013, 2015, 2017 all throw errors when trying to start the applications. I will focus on the 2017 errors below.

This is the error i receive when attempting to launch VS17

Could not start visual studio due to an error.
System.Configuration.ConfigurationErrorsException:
Configuration system failed to initialize
InnerException -
System.Configuration.ConfigurationErrorsException:
Unrecognized configuration section startup.
(C:\Users\pdobson\AppData\Local\Microsoft\VisualStudio\15.0_2f91301f\devenv.exe.config line 13)



When attempting to reinstall visual studio 17, i get error:
"Couldnt install Microsoft.VisualStudio.AspNetDiagnosticPack.Msi"

Clearly i deleted something i shouldnt have. Anyone have any insights on how i could go about reinstalling all windows' .net includes?

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