.NET/VB.NET: solving the error “The system cannot find the file specified.” “\Temp\.NETFramework,Version=v4.0.AssemblyAttributes.vb”

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Bumped into this error a while ago in Visual Studio 2010:

Kind	Error
Number	80
Description	Unable to open module file ‘C:\Users\username\AppData\Local\Temp\.NETFramework,Version=v4.0.AssemblyAttributes.vb’: The system cannot find the file specified.
File	C:\Users\username\AppData\Local\Temp\.NETFramework,Version=v4.0.AssemblyAttributes.vb
Line	1
Column	1
Project	VbPowerPack

(I replaced the column separators by line separators to make it more readable)

The code was using the VBPowerPack download I wrote about before, but that appeared to be irrelevant.

This is how I solved it:

1. Build -> Clean Solution
2. Build -> Rebuild Solution
3. File -> Close Solution
4. View -> Start Page
5. Open most recent solution from the Start Page

I’m not the only one that has this problem every now and then.

Thanks to these posts that helped me out with the above solution:

• “Unable to open module file” when an existing solution is loaded | Microsoft Connect.
• VB 2010 Client.AssemblyAttributes.vb file missing | Microsoft Connect.

–jeroen

via: “The system cannot find the file specified.” “\Temp\.NETFramework,Version=v4.0.AssemblyAttributes.vb”