The Help button on Univiewer Console WebStart does not work if it is deployed in IIS.

Issue/Introduction:

Error Message :
There is no popup error message. But, the following error message is present in the univiewer.log:
##################################
|2012-11-22 13:46:03,454|ERROR||pool-1-thread-1|com.orsyp.kmeleon.help.KHelpSet|Error on creating KHelpSet
javax.help.HelpSetException: Could not parse
Got an IOException (http://VM2K8R2001:80/help/en/UniViewer.hs)
Parsing failed for null
   at javax.help.HelpSet.<init>(HelpSet.java:154)
   at com.orsyp.kmeleon.help.KHelpSet.<init>(KHelpSet.java:36)
   at com.orsyp.kmeleon.help.KHelpSet.initialize(KHelpSet.java:70)
   at com.orsyp.kmeleon.help.KHelpSet.getInstance(KHelpSet.java:44)
   at com.orsyp.kmeleon.help.KHelp.getInstance(KHelp.java:93)
   at com.orsyp.kmeleon.guibuilder.PerspectivesToolbarBuilder$1$1.run(PerspectivesToolbarBuilder.java:72)
   at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
   at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
   at java.util.concurrent.FutureTask.run(Unknown Source)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
##################################

Patch level detected:Univiewer Console 4.0.00
Product Version: Dollar.Universe 6.0.0

Description :The Help button on Univiewer Console WebStart does not work if it is deployed in IIS.

Cause:

Cause type:
Configuration
Root Cause: The root cause is the absence of following extensions on the IIS server's MIME type.
.hs

Environment:

OS: Windows
OS Version: Windows with IIS v6.x or higher.

Resolution:

-Please add the following extensions on your IIS server's MIME type both of which must be of mime type text/xml.

.hs
.jhm

-Then, please restart your web site.

Fix Status: No Fix

Additional Information:

Workaround :
N/A