TheINQUIRER publishes daily news, reviews on the latest gadgets and devices, and INQdepth articles for tech buffs and hobbyists. An Open Source C# web crawler with Lucene.NET search using SQL Server 2008/2012/2014/2016/CE An Open Source C# web crawler with Lucene.NET search using MongoDB. I just tried copying the.exe and renaming it so I have logoff.exe & lock.exe. I created two batch files and ran them in succession, and the second batch file is the.