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Open Component Services, expand Component Services > Computers.
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Right-click My Computer and click Properties.
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Click the COM Security tab.
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In the Launch and Activation Permissions area, click Edit Default.
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Click Add.
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Type Local Service, and then click OK.
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Select Local Service.
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Check the Allow check box for the following items:
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Local Launch
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Local Activation
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Click OK, and then click OK again.