2
If you don't want the global search not to search a particular module.
What you have to do is deactivate the search from the db.
#1. access your db by your favourite method
#2. you will see a table named 'your -table-prefix_modules'. -The table is holding all your modules that you have installed.
click on it!!
#3. select the particular module that you dont want to be searched. Once you click on it, you will see several sort of titles and names etc..
what you need, next to "HASSEARCH" (it is written in lowercase i think) swap that number 1 with a 0(ZERO) and click go
That is it.
Now your module has got no search
2nd Method try:
in your sql that is in your module/folder on your server
find 'hassearch' replace the 1 with a 0
and click update.