Blog Post

IIS Support Blog
3 MIN READ

Script Engine Exception. A ScriptEngine threw exception 'C0000005'

Shekhar's avatar
Shekhar
Icon for Microsoft rankMicrosoft
Jun 17, 2025

Script Engine Exception. A ScriptEngine threw exception 'C0000005' in 'IActiveScript::SetScriptState()' from 'CActiveScriptEngine::ReuseEngine()

Issue description: You may encounter issues when using the jscript9legacy.dll (JScript 9) JavaScript engine with Classic ASP, resulting in a Script Engine Exception. Specifically, the error message...
Updated Jul 01, 2025
Version 3.0
Talisman88's avatar
Talisman88
Copper Contributor
Aug 23, 2025

Approach 1 did not appear to work. Checked and re-checked.

Approach 2 did work but applies system wide which is too liberal.

Would prefer to go with Approach 1, however that doesn't appear feasible. Any chance you could review and update findings here?