Windows 7 user (accounts department) doing relatively undemanding tasks such as opening/printing an rtf invoice from a network location that cause an application hang.
If the user waits a number of minutes sometimes and then kills the app in task manager and then immediately tries again/resume the system hangs again in the same way. Only if the user logs off or reboots can the user then continue with what they were trying to do.
The hangs are intermittent, cannot be reproduced later, and can affect standard apps such as word, pdf and printing emails.
TIA