Index: build/DeltaShell.targets
===================================================================
diff -u -rfce72ec931c071a16ffe57f900152076a90317e7 -r7e461557096c62bc75245342d7fdb48824fdb231
--- build/DeltaShell.targets	(.../DeltaShell.targets)	(revision fce72ec931c071a16ffe57f900152076a90317e7)
+++ build/DeltaShell.targets	(.../DeltaShell.targets)	(revision 7e461557096c62bc75245342d7fdb48824fdb231)
@@ -80,8 +80,8 @@
   <Target Name="AfterClean">    
     <Delete Files="$(OutDir)\$(TargetFileName)" Condition="Exists('$(OutDir)\$(TargetFileName)')" />
 
-    <RemoveDir Directories="$(InstallDir)\plugins" Condition="'$(ProjectName)'=='$(LoaderProjectName)'" />
-    <RemoveDir Directories="$(ProjectDir)\bin" Condition="'$(ProjectName)'=='$(LoaderProjectName)'" />
+    <RemoveDir Directories="$(InstallDir)\plugins" Condition="'$(ProjectName)'=='$(LoaderProjectName)' and Exists('$(InstallDir)\plugins')" />
+    <RemoveDir Directories="$(ProjectDir)\bin" Condition="'$(ProjectName)'=='$(LoaderProjectName)' and Exists('$(ProjectDir)\bin')" />
    <!-- <RemoveDir Directories="$(OutDir)\PostSharp.$(TargetFileName)" Condition="Exists('$(OutDir)\PostSharp.$(TargetFileName)')" />  -->   
 
     <Delete Files="$(IntermediateOutputPath)\time_before" Condition="Exists('$(IntermediateOutputPath)\time_before')" />