# Extension Problems

**URL:** https://forum.kirupa.com/t/extension-problems/34038
**Category:** web dev
**Created:** [October 27, 2003, 11:26am UTC](https://forum.kirupa.com/t/extension-problems/34038 "2003-10-27T11:26:36Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![flashermx](https://avatars.discourse-cdn.com/v4/letter/f/e5b9ba/32.png) [@flashermx](https://forum.kirupa.com/u/flashermx)
#### Post date: [October 27, 2003, 11:26am UTC](https://forum.kirupa.com/t/extension-problems/34038/1 "2003-10-27T11:26:36Z")

</div>

I am using Dreamweaver MX

I installed an Exension and when I try to run it I get the following message

JavaScript error while loading Hlooper2: Unable to open script file “…/HideRegionClass.js”(error2)

Do you know what this means?

:d:

I have installed other extensions and they are fine. It seems that the last two I installed give a similar message. Is it possible that they weren’t built for MX?

---

<div class="post-metadata">

### Author: ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)
#### Post date: [October 27, 2003, 3:34pm UTC](https://forum.kirupa.com/t/extension-problems/34038/2 "2003-10-27T15:34:11Z")

</div>

I solved the problem. The extension was only available for Dreamweaver 5. I ahd to seek out and find the extension for MX