As per an ESRI notification on 16th May 2013 – Do not install the following updates or hotfixes if you are installing ArcGIS 10:
- KB 2732673
- KB 2824408
- KB 2775511
IT Services can confirm these updates are not installed in the W7 core image and will not be deployed during the monthly patch cycle.
Installing the updates may result in data corruption when using ArcGIS on a Windows 7 system and writing data to remote data storage on a Windows Vista, 7, 2008/2008 R2, or 2012 system.
Microsoft has acknowledged the problem and is working on a solution.
See http://support.esri.com/en/knowledgebase/techarticles/detail/41119 for further details or to see if any solution has been found.