ASROCK Z68 Pro3 Gen3 Quick Installation Manual page 190

b. Go to "Services and Applications>Services"; Then double click "Volume
Shadow Copy".
c. Set "Startup type" to "Disable" then Click "OK".
C. Reboot your system.
D. After reboot, please start to install motherboard drivers and utilities.
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Windows 7 64-bit:
A. Please request the hotfi x KB2505454 thru this link:
http://support.microsoft.com/kb/2505454/
B. After installing Windows
(This may take long time; >30 mins.)
C. Reboot your system. (It may take about 5 mins to boot.)
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D. The Windows will install this hotfi x then reboot by itself.
E. Please start to install motherboard drivers and utilities.
190
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7 64-bit, install the hotfi x kb2505454.
ASRock Z68 Pro3 Gen3 Motherboard