MS Search Server Express 2010 "Internal server error exception"

[jjtbt]

I am pretty new to Sharepoint and to MS Search Server Express. All searching in Sharepoint was working previous to when I installed MS Search Server Express the other day. Now I cannot search using Search Server Express and also cannot search using the "Search this site" box in Sharepoint. In either case I get "Error" "Internal server error exception". This is on a Windows Server 2008 R2 Standard and we are using Sharepoint Foundation 2010.

In the ULS logs I get (all for Process w3wp.exe):

Name=Request (GET:

http://sharepoint.townofpittsford.l...te&u=http://sharepoint.townofpittsford.local)

Site=/

'Search Service App1', location cache: Refreshing location cache

CoreResultsWebPart::OnInit: Exception initializing: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader() at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e)

Internal server error exception: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader() at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e) System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.SetPropertiesOnQueryReader() at Microsoft.Office.Server.Search.WebControls.CoreResultsWebPart.OnInit(EventArgs e)

Watson bucket parameters: SharePoint Server 2010, ULSException14, 06175311 "sharepoint server search", 0e00129b "14.0.4763.0", 17853a8f "microsoft.office.server.search", 0e00129a "14.0.4762.0", 4bad937d "sat mar 27 01:11:25 2010", 0000320d "0000320d", 0000002d "0000002d", 4a6d3421 "nullreferenceexception", 67316a39 "g1j9"

Leaving Monitored Scope (Request (GET:

http://sharepoint.townofpittsford.l...&u=http://sharepoint.townofpittsford.local)).

Execution Time=16.7911835704385

Any suggestions?