IE7 sometimes complains that a JavaScript script is running too slow and asks the user whether they want to terminate it or continue. To get rid of this annoying popup a few changes need to be made to the registry. ref: http://www.itwriting.com/blog/119-ie7-script-madness.html

RegistryUpdateForIEScriptProblem

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Win32; 

namespace RegistryUpdateForIEScriptProblem
{
    class Program
    {
        /// <summary>
        /// IE7 sometimes complains that a JavaScript script is running too slow and asks the user whether they want to terminate it or continue.
        /// To get rid of this annoying popup a few changes need to be made to the registry. 
        /// ref: http://www.itwriting.com/blog/119-ie7-script-madness.html
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            RegistryKey RegKeyWrite = Registry.CurrentUser;
            RegKeyWrite = RegKeyWrite.CreateSubKey(@"Software\Microsoft\Internet Explorer\Styles");
            RegKeyWrite.SetValue("MaxScriptStatements", 1000000000);
            RegKeyWrite.Close();

            RegistryKey RegKeyRead = Registry.CurrentUser;
            RegKeyRead = RegKeyRead.OpenSubKey(@"Software\Microsoft\Internet Explorer\Styles");
            Object regSuccessful = RegKeyRead.GetValue("MaxScriptStatements");
            RegKeyRead.Close();

            Console.WriteLine("IE7 will no longer complain about scripts running too slow");

            Console.ReadLine();
        }
    }
}