Zameer Ansari


Solving ASP.NET MVC project runtime errors on Mono


In case we’re running an ASP.NET application on Mono using Monodevelop for the first time, we may receive the below error:

In some cases, the problem is incorrect installation of xsp4 server.

Install it using:

sudo apt-get install mono-xsp4

This solved the above error.

Optional: get it from Ubuntu software center by searching for xsp4

After the xsp4 server is installed and ready. The project will start running at

A directory access error saying Access to the path “/etc/mono/registry” is denied may also show up which can be solved by simply creating the folder using mkdir

sudo mkdir /etc/mono/registry

and setting the right permissions using chmod

sudo chmod uog+rw /etc/mono/registry


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