运行docky后显示下面的信息：

[Info 13:44:51.041] Docky version: 2.2.0 bzr docky r1808 ppa
[Info 13:44:51.050] Kernel version: 3.0.0.19
[Info 13:44:51.051] CLR version: 2.0.50727.1433
Missing method System.Type::op_Inequality(Type,Type) in assembly /usr/lib/mono/2.0/mscorlib.dll, referenced in assembly /usr/lib/mono/gac/glib-sharp/2.12.0.0__35e10195dab3c99f/glib-sharp.dll

Unhandled Exception: System.TypeInitializationException: An exception was thrown by the type initializer for GLib.GType ---> System.MissingMethodException: Method not found: 'System.Type.op_Inequality'.
at GLib.GType..cctor () [0x00000] in <filename unknown>:0
--- End of inner exception stack trace ---
at Docky.Docky.Main (System.String[] args) [0x00000] in <filename unknown>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: An exception was thrown by the type initializer for GLib.GType ---> System.MissingMethodException: Method not found: 'System.Type.op_Inequality'.
at GLib.GType..cctor () [0x00000] in <filename unknown>:0
--- End of inner exception stack trace ---
at Docky.Docky.Main (System.String[] args) [0x00000] in <filename unknown>:0
请问怎么办？在网上搜了下，有的解决方案是mono --runtime=v4.0 filename.exe 这是什么意思啊？

我也遇到了同样的问题， 卸载了重新按下面安装就是

sudo add-apt-repository ppa:docky-core/stable
sudo apt-get update
sudo apt-get install docky