Cannot compile solution in VS due "Attempted to access an unloaded AppDomain" -- how to pin it down?
Solution 1:
Shut down Visual Studio and reopen it. Then clean the Temp folder.
For that press Windows+R and type %Temp% and click Ok, then delete everything.
Solution 2:
If this error comes with VS follow these steps
- Just restart your VS.
- Start VS again
- Clean the solution (Build> Clean Solution)
- Rebuild your project again
If this error comes with IIS
- Restart (recycle) the IIS Application Pools in IIS Manager, After restarting check run the solution again!