I was playing just last night and today the game is crashing and won't even startup after today's update. Verified integrity of files, restarted computer and still no luck.

Windows 7

Problem signature:
Problem Event Name: APPCRASH
Application Name: dota2.exe
Application Version:
Application Timestamp: 5e5d54ae
Fault Module Name: atiumd64.dll
Fault Module Version: 25.20.14003.1012
Fault Module Timestamp: 5bc77472
Exception Code: c0000005
Exception Offset: 000000000000205d
OS Version: 6.1.7601.
Locale ID: 1033
Additional Information 1: 9e7f
Additional Information 2: 9e7f483976defd7e1e446a9b35d77863
Additional Information 3: c881
Additional Information 4: c881875bfcb95b813907b47ca79aa425

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