Could not load file or assembly or one of its dependencies

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Could not load file or assembly 'Microsoft.Owin.Security.OAuth' or one of its dependencies. The process can not access the file because the file is in use by another process. (Exception from HRESULT: 0x80070020)

I can't understand the reason of error

c#
asp.net
asp.net-mvc
asked on Stack Overflow Jun 26, 2016 by Zhan Vardanyan

3 Answers

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Reason for that error is: the said assembly Microsoft.Owin.Security.OAuth is locked by some other process. Means, at current some other process already using it and your application is trying to load the same.

Most probably you application is already running and you are trying to build your solution. solution: End your application and then close and re-open your solution again.

answered on Stack Overflow Jun 26, 2016 by Rahul
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This error is telling you that the whole assembly couldn't be loaded in current AppDomain because it's already locked by another process.

You'll need to check if you're using in any other project and it's already taken...

answered on Stack Overflow Jun 26, 2016 by Matías Fidemraizer
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As mentioned, this assembly 'Microsoft.Owin.Security.OAuth' is attached by some other process.Its probably because your solution is already attached with other process. Go to task manager close the operation manually and then try to build it again.

answered on Stack Overflow Jun 26, 2016 by Sonaliad

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