critical patch 11731126 issues

All,

I have found the criticial patch for the environment I am wanting to patch.  I have unzipped my patchset into a folder called 11731126.  I have followed the instructions for a single instance from the readme.html.  It states:

3.3.2 Patch Installation Instructions for Single Instance

Follow these steps:

1. Cleanly shut down all processes running from the <font color="#336699">ORACLE_HOME</font> .

2. Set the <font color="#336699">ORACLE_HOME</font> environment variable to the correct Oracle home that needs to be patched.

   > set ORACLE_HOME=<Oracle Home Path> 
   		

3. Go to the directory where you downloaded the patch:

   > cd 11731126
   		

4. Ensure that the directory containing the OPatch script appears in your