Morroblivion

I keep getting an error on installer telling me to go to the notepad. The error in it reads:

Traceback (most recent call last):   File "Skywind.py", line 42, in <module>   File "shutil.pyo", line 117, in copy   File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe' Traceback (most recent call last):   File "Skywind.py", line 42, in <module>   File "shutil.pyo", line 117, in copy   File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe' Traceback (most recent call last):   File "Skywind.py", line 42, in <module>   File "shutil.pyo", line 117, in copy   File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe' Traceback (most recent call last):   File "Skywind.py", line 42, in <module>   File "shutil.pyo", line 117, in copy   File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe' Traceback (most recent call last):   File "Skywind.py", line 42, in <module>   File "shutil.pyo", line 117, in copy   File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe'     Note: I don't know if it matters but my skyrim files are not on the C:\ drive.