Have a check of your path variable? Some install/updates are fairly brain dead when they modify it, periodically I copy it out to a text editor and clean up removed apps, check for valid paths etc
On Fri, Dec 11, 2020, 07:22 Greg Keogh <gfke...@gmail.com> wrote: > Folks, I sat down this morning and found that every .NET Core project > cannot be opened in VS2019 due to "Unable to locate the .NET SDK". I've > been searching and futzing for over an hour without hope. > > dotnet -info shows *no SDKs* installed and a sensible list of runtimes. I > was one level behind in VS2019 and updated but it did nothing. I > installed Core 5 and it just did a repair. I installed Core 3.1 and nothing > changed. > > I'm stuffed and can't do any work. Has anyone seen this? > > *Greg K* >