If still the update fails, You can try:
Go to http://prodesigntools.com/adobe-cc-updates-direct-links-windows.html
- Download and run the update patches for "Adobe InDesign 9.2.1 Update" & "Adobe InDesign 9.2.2 Update"
- First run the instaltion for the Adobe InDesign 9.2.1 Update
- Next install the Adobe InDesign 9.2.2 Update
There are seperate patches for 32 bit version and 64 bit version.