How do we install a Application Vault Web Application to DocumentRoot?

[SedonaTechnologies]

PRODUCT: Plesk
VERSION: 9.5.5
OPERATING SYSTEM: Windows Server 2008

PROBLEM DESCRIPTION AND STEPS TO REPRODUCE:
When installing an application from the Application vault we are not able to select The DocumentRoot (httpdocs). We have tried the following characters from other articles - /, *, .

We can create the application in a sub directory - example www.mysite.com/webappname
We would prefer to create the application in the root directory - example www.mysite.com

ACTUAL RESULT
We cannot install an application to the root directory (DocumentRoot/httpdocs/httpsdocs)

EXPECTED RESULT
We could install an application form the application vault to the root directory (DocumentRoot/httpdocs/httpsdocs)

ANY ADDITIONAL INFORMATION
Is it possible to install a web application from the application Vault to the root directory in 9.5.5?
Is this possible in current versions of Plesk 10+?

Thanks for all your help in advance!