COM + exception: the specified file cannot be found. (Exception from HRESULT: 0 × 80070002)

This exception occurs when the referenced assembly is not deployed to the GAC at the same time.
Solution: gacutil/I *. dll

For more information, see this article.
Http://www.qianxun.com/archive/572/2008/6/16/8620.html

 

In addition, the following error occurs: delete COM + and reinstall the configuration. The reason is unknown.

 

Microsoft (R). NET Framework service installation utility version 2.0.50727.1433
Copyright (c) Microsoft Corporation. All rights reserved.

The following installation error occurs:
1: An unknown error occurs during component configuration.
2: The Count must be positive, and the count must reference the position in string/array/collection.
Parameter Name: slot