Likely due to some upgrade on my laptop but lately I’ve been seeing way more screens while Alt+Tab ing on Windows. Not annoying but still a load of screens t...
Ouch! No fun to discover that several days before going to go to a conference. After some digging around it turned out to be I wasn’t the only one. The culprit apparently was the recent Fall Creator update of Windows 10. The remedy? Uninstall IIS Express and install it again. After that it worked again for me. The steps I took to solve it were:
The full exception I got:
Server Error in '/' Application. Specified argument was out of the range of valid values. Parameter name: site Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values. Parameter name: site Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [ArgumentOutOfRangeException: Specified argument was out of the range of valid values. Parameter name: site] System.Web.HttpRuntime.HostingInit(HostingEnvironmentFlags hostingFlags, PolicyLevel policyLevel, Exception appDomainCreationException) +280 [HttpException (0x80004005): Specified argument was out of the range of valid values. Parameter name: site] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10042604 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +95 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +254 Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2556.0