When I try to view a screen shot on Debian Wheezy using the KDE desktop
I get the error " Segmentation fault" in the terminal
the file manager doesn't start

my system is

Processor Information:
Vendor: AuthenticAMD
CPU Family: 0x10
CPU Model: 0xa
CPU Stepping: 0x0
CPU Type: 0x0
Speed: 3200 Mhz
6 logical processors
6 physical processors
HyperThreading: Unsupported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Unsupported
SSE4a: Supported
SSE41: Unsupported
SSE42: Unsupported

Network Information:
Network Speed:

Operating System Version:
Debian GNU/Linux 7.3 (wheezy) (64 bit)
Kernel Name: Linux
Kernel Version: 3.2.0-4-amd64
X Server Vendor: The X.Org Foundation
X Server Release: 11204000
X Window Manager: KWin
Steam Runtime Version: steam-runtime-release_2013-10-23

Video Card:
Driver: NVIDIA Corporation GeForce GTX 550 Ti/PCIe/SSE2

Driver Version:  4.2.0 NVIDIA 304.88
OpenGL Version: 4.2
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
VendorID:  0x10de
DeviceID:  0x1244
Number of Monitors:  2
Number of Logical Video Cards:  1
Primary Display Resolution:  1920 x 1080
Desktop Resolution: 3840 x 1080
Primary Display Size: 18.78" x 10.55"  (21.54" diag)
                                        47.7cm x 26.8cm  (54.7cm diag)
Primary Bus: PCI Express 16x
Primary VRAM: 1023 MB
Supported MSAA Modes:  2x 4x 8x 16x 

Sound card:
Audio device: Nvidia GPU 15 HDMI/DP

Memory:
RAM: 16019 Mb

Miscellaneous:
UI Language: English
LANG: en_GB.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 938773 Mb
Largest Free Hard Disk Block: 759376 Mb

Installed software:

Recent Failure Reports: