Update for ArcGIS on Vista

Service Pack 4 for ArcGIS 9.2 has been released, which includes support for Windows Vista.  In addition to the Service Pack, ESRI also writes that two Microsoft patches must also be installed to enable the product to run.

ESRI's technical article which explains everything in full is HERE

Be advised that ESRI is not claiming a smooth transition; there are still known (and unknown) issues that need to be resolved.  These are specified in the technical article.