LockHunter - It is a free tool to delete files blocked by something you do not know.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Wise Force Deleter - Delete Any File That Windows Can’t Delete.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
FileASSASSIN - FileASSASSIN is an application that can delete any type of locked files that are on your computer.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.