strange screen error

[tuugiib]

My Pc:
win7 64bit
HD 6990 #2 cards
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before:
hashcatlite 0.6 catalyst control 11.8

Hash.Type......: SL3
Time.Left.......: 1 day 10 hours

Speed GPU.#1: 1700 - 1800
Speed GPU.#2: 1700 - 1800
Speed GPU.#3: 1700 - 1800
Speed GPU.#4: 1700 - 1800
Speed GPU.#*: 7200 - 7400

HWMon GPU.#1: 97% - 99% GPU 55c Temp
HWMon GPU.#2: 97% - 99% GPU 55c Temp
HWMon GPU.#3: 97% - 99% GPU 55c Temp
HWMon GPU.#4: 97% - 99% GPU 55c Temp

now:
hashcatlite 0.8 catalyst control 11.12

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pls help me???