c# - Error opening a project/solution on Visual Studio 2017 Community -

i trying open project/solution on visual studio 2017 community , next error:

i have been googling error haven't found solution. suggestions?

i hope have explained problem.

update

i using vs17 on virtual machine windows7 32bits.

i tried solution proposed andrii delete <site> inside <sites> node under applicationhost.config file after restarting vs2017 , launch project, got following error:

unable connect web server 'iis express'

in config file, had put application pool following:

<site name="myapp" id="1">     <application path="/" applicationpool="clr4integratedapppool"> <-- here         <virtualdirectory path="/" physicalpath="c:\git\myapp\myapp" />     </application>     <bindings>         <binding protocol="http" bindinginformation="*:61508:localhost" />     </bindings> </site> <applicationdefaults applicationpool="clr4integratedapppool" /> <-- , here 

after restart vs2017 , try again.

also might @ physicalpath folder specified in config file... make sure writable. people specified had problem when folder encrypted. can find other possible solution here:

creating virtual directory failed error