Problem Event Name:	APPCRASH
  Application Name:	TidyBubble.exe
  Application Version:	0.0.0.0
  Application Timestamp:	51ae0fe2
  Fault Module Name:	StackHash_6864
  Fault Module Version:	0.0.0.0
  Fault Module Timestamp:	00000000
  Exception Code:	c0000005
  Exception Offset:	00000000
  OS Version:	6.1.7601.2.1.0.256.48
  Locale ID:	1033
  Additional Information 1:	6864
  Additional Information 2:	686438b7942c0f26de5bb7a287c43c81
  Additional Information 3:	c498
  Additional Information 4:	c49877d8396d722379e1258d93f61520
Also, system information from Steam if that helps:
Processor Information:
    Vendor:  GenuineIntel
    Speed: 2327 Mhz
    2 logical processors
    2 physical processors
    HyperThreading:  Unsupported
    FCMOV:  Supported
    SSE2:  Supported
    SSE3:  Supported
    SSSE3:  Supported
    SSE4a:  Unsupported
    SSE41:  Unsupported
    SSE42:  Unsupported

Network Information:
    Network Speed:

Operating System Version:
    Windows 7 (64 bit)
    NTFS:  Supported
    Crypto Provider Codes:  Supported 311 0x0 0x0 0x0

Video Card:
    Driver:  Intel(R) G33/G31 Express Chipset Family

    DirectX Driver Name:  igdumdx32.dll
    Driver Version:  8.15.10.1930
    DirectX Driver Version:  8.14.10.1930
    Driver Date: 23 Sept 2009
    Desktop Color Depth: 32 bits per pixel
    Monitor Refresh Rate: 59 Hz
    DirectX Card: Intel(R) G33/G31 Express Chipset Family
    VendorID:  0x8086
    DeviceID:  0x29c2
    Number of Monitors:  1
    Number of Logical Video Cards:  1
    No SLI or Crossfire Detected
    Primary Display Resolution:  1440 x 900
    Desktop Resolution: 1440 x 900
    Primary Display Size: 20.00" x 12.52"  (23.58" diag)
                                            50.8cm x 31.8cm  (59.9cm diag)
    Primary Bus Type Not Detected
    Primary VRAM: 256 MB
    Supported MSAA Modes Not Detected

Sound card:
    Audio device: Headphones (High Definition Aud

Memory:
    RAM:  4085 Mb

Miscellaneous:
    UI Language:  English
    Microphone:  Not set
    Media Type:  DVD
    Total Hard Disk Space Available:  1669168 Mb
    Largest Free Hard Disk Block:  863649 Mb
    OS Install Date: Dec 31 1969 (obviously not)
    Game Controller: None detected