when ever i run unreal Ed, it starts Fine. after i press "f8" to rebuild. these error Comes
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UnrealEd
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Run-time error '339':
Component 'TABCTL32.OCX' not correctly registered: file is missing or invalid
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OK
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after that error Unreal Ed close and this error comes up
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UnrealEd.exe - Application Error
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The instruction at "0x014a53a0" referenced memory at "0x00000be4". The memory could not be "read".
Click on OK to terminate the program
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OK
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thanks.
Picture of errors