Although UES 9.2 does not officially support the https protocol with Subversion use, you CAN make UES use https.
First: set up your svn stuff using TortoiseSVN (or something similar), including checking out all the existing project files you will need.
Second, setup your SVN accounts in UES:
1. Project menu / Verson Control System
2. In dialog, under VCS Accts:
Account = whatever-acct-name-you-want
Protocol = http [NOTE: this will be manually overridden later in the ini file]
Server = the name of your svn server
Port = your svn server's port; mine is 8443
Repository = /your-repos-name-here; mine is /svn/QCMC
Username = your svn login name
Password = your svn password
3. Apply/save the acct
4. Open the global UEStudio.INI
file; mine is in C:\Documents and Settings\myloginname\Application Data\IDMComp\UEStudio\UEStudio.INI
5. Find the line(s) Protocol=http
and replace it with Protocol=https
6. Save and close the ini file.
Last, follow IDM's instructions http://www.ultraedit.com/support/tutorials_power_tips/uestudio/cvs_svn_auto-detect.html
for creating your UES project and adding your version-controlled files into it.
Warning: since this is not supported, if you at any time change your svn acct in UES, the protocol will likely revert back to one of the built-in choices, and then you will have to edit the INI file again.