Don't know if this is the right place, but if you are having errors with Caligula and Hadrian that are a 'comdlg32.ocx' missing kind of error then here is how to fix them
first dl comdlg32.ocx from here
http://windowsxp.mvps.org/comdlg32.htm
then for Xp/ Vista 32bit follow instructions on the link
for windows 7 64bit (x86) (also possibly Vista 64bit)
if you are using 64bit, try putting ocx in following folder
C:\Windows\SysWOW64\ (if different windows folder/drive then change it)
and run following command in elevated command prompt(admin) (start, all programs, accessories, right click on Command prompt, click run as administrator)
Type the following and click enter:
regsvr32 C:\Windows\SysWOW64\Comdlg32.ocx
you should then get a confirmation message
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