When I opened a sln including serveral projects, I got this warning.
Thus, each project didn't be loaded.

How to resolve it? What was the root cause?
Thx.

Hi,
I am seeing the same symptom under these conditions:
- XP SP2, VS.Net 2005 RTM (.Net 2.0)
- IE7 Beta 2 Preview installed
- Guthrie's Web-Application project type installed
- in notepad change my 2003->2005 converted "Local" ProjectType .vbproj to
use the web-application GUIDs, viz:
<ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>

and I see this error message once I try to open the solution with the
web-app project.

Any ideas? Another colleague doesnt have this problem, running Win2k3 SP1...


Cheers

I had the same problem. THe beahivor that leads to that message is explained below.

I installed VS2005 with SP1 with administrator privileges in my PC at work. Than I created the project with same privileges. But for some reason, I lost those privileges.
When I opened a solution and/or project, that message (or similar one) would appear, making my solution filled with references to unloaded projects.

Simple enough, I just got back my administrator privileges, and voilá. Everything's working properly, now.

Hope it helps. I'm just writting this for future refence on the internet, since this post is from last year.


From http://www.developmentnow.com/g/55_2006_3_0_0_720650/Issue-a-project-with-that-name-is-already-opened-in-the-solution.htm

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