Error Code 661

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The device .INF file is missing a command.

Another Windows NT 3.51 error

This error indicates a problem with one or more of your INI files.. Nice that's it not specific eh??

Check your inf files: Modem.inf, Switch.inf and Pad.inf to start, and make sure these commands COMMAND AND COMMAND_INIT are uppercase

Link to the Microsoft Knowledgebase Article 107061

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