ERROR: clGetDeviceIDs() -1 using Windows 7

How to resolve this error? "ERROR: clGetDeviceIDs() -1"


I am using oclHashcat v1.35
Catalyst version 14.9
Video card is AMD Radeon HD 6350

(Also have built-in ATI Radeon HD 3200)

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I am using Windows 7, 64-bit. Not Linux.
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