Crash when leaving game

[witor]

When leaving the game on my computer, I get a blank (black/grey) screen. This does not seem to clear up, I've had to reset my computer each of the last few times when quitting to do something else. Keyboard commands are useless at this point also.

I'm running IE 11 on windows 7 details below:

~~Component Details Subscore Base score
Processor AMD A10-5800K APU with Radeon(tm) HD Graphics 7.3 5.9
Determined by lowest subscore 5.9 (due to slow hard drive) most scores rate at 7.1+

Memory (RAM) 8.00 GB 7.3
Graphics NVIDIA GeForce GT 640 7.1
Gaming graphics 4096 MB Total available graphics memory 7.1
Primary hard disk 350GB Free (466GB Total) 5.9
Windows 7 Professional

System
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Manufacturer Gigabyte Technology Co., Ltd.
Model To be filled by O.E.M.
Total amount of system memory 8.00 GB RAM
System type 64-bit operating system
Number of processor cores 4

Storage
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Total size of hard disk(s) 466 GB
Disk partition (C 350 GB Free (466 GB Total)
Media drive (D CD/DVD

Graphics
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Display adapter type NVIDIA GeForce GT 640
Total available graphics memory 4096 MB
Dedicated graphics memory 1024 MB
Dedicated system memory 0 MB
Shared system memory 3072 MB
Display adapter driver version 9.18.13.3165
Primary monitor resolution 1366x768
DirectX version DirectX 10

Network
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Network Adapter Realtek PCIe GBE Family Controller