can't install the 424.08 upgrade

[howard1000]

When i try to install the upgrade it say setup.exe has stopped working and give me a chose of close the program or check online for a solution and close the program with the details saying
Problem Event Name: APPCRASH
Application Name: mstudio424.08setup.exe
Application Version: 12.0.0.49974
Application Timestamp: 4474907b
Fault Module Name: mstudio424.08setup.exe
Fault Module Version: 12.0.0.49974
Fault Module Timestamp: 4474907b
Exception Code: c0000005
Exception Offset: 0001e48b
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 1033
Additional Information 1: abfa
Additional Information 2: 6a5c8f5e406cffff2abeaf3f1ecf6a25
Additional Information 3: 8399
Additional Information 4: 7dd0ab99b0fdf319e3aecdce6138596c
any ideas on how to correct.
Thanks
Howard