Index: src/main/java/hudson/plugins/msbuild/MsBuildBuilder.java
===================================================================
--- src/main/java/hudson/plugins/msbuild/MsBuildBuilder.java	(revision 32962)
+++ src/main/java/hudson/plugins/msbuild/MsBuildBuilder.java	(working copy)
@@ -2,6 +2,7 @@
 
 import hudson.CopyOnWrite;
 import hudson.Extension;
+import hudson.FilePath;
 import hudson.Launcher;
 import hudson.Util;
 import hudson.model.AbstractBuild;
@@ -10,7 +11,6 @@
 import hudson.tasks.Builder;
 import hudson.util.ArgumentListBuilder;
 
-import java.io.File;
 import java.io.IOException;
 import java.util.Map;
 
@@ -83,25 +83,28 @@
     @Override
 	public boolean perform(AbstractBuild<?,?> build, Launcher launcher, BuildListener listener) throws InterruptedException {
         ArgumentListBuilder args = new ArgumentListBuilder();
-        
+
         String execName= "msbuild.exe";        
         MsBuildInstallation ai = getMsBuild();
         if(ai==null) {
         	listener.getLogger().println("Path To MSBuild.exe: " +execName);
         	args.add(execName);
         } else {
-            File exec = ai.getExecutable();
-            if(!ai.getExists()) {
-                listener.fatalError(exec+" doesn't exist");
+            String pathToMsBuild = ai.getPathToMsBuild();
+            FilePath exec = new FilePath(launcher.getChannel(), pathToMsBuild);
+            try {
+                if(!exec.exists()) {
+                    listener.fatalError(pathToMsBuild + " doesn't exist");
+                    return false;
+                }
+            } catch (IOException e) {
+                listener.fatalError("Failed checking for existence of " + pathToMsBuild);
                 return false;
             }
-            listener.getLogger().println("Path To MSBuild.exe: " +exec.getPath());
-            args.add(exec.getPath());
+            listener.getLogger().println("Path To MSBuild.exe: " + pathToMsBuild);
+            args.add(pathToMsBuild);
         }	 
-        
-        
-        
-        
+
         //Remove all tabs, carriage returns, and newlines and replace them with
         //whitespaces, so that we can add them as parameters to the executable
         String normalizedTarget = cmdLineArgs.replaceAll("[\t\r\n]+"," ");
Index: src/main/java/hudson/plugins/msbuild/MsBuildInstallation.java
===================================================================
--- src/main/java/hudson/plugins/msbuild/MsBuildInstallation.java	(revision 32962)
+++ src/main/java/hudson/plugins/msbuild/MsBuildInstallation.java	(working copy)
@@ -2,8 +2,6 @@
 
 import org.kohsuke.stapler.DataBoundConstructor;
 
-import java.io.File;
-
 /**
  * MsBuild installation.
  * 
@@ -32,15 +30,4 @@
     public String getName() {
         return name;
     }
-
-    public File getExecutable() {
-        return new File(pathToMsBuild);
-    }
-    
-    /**
-     * Returns true if the executable exists.
-     */
-    public boolean getExists() {
-        return getExecutable().exists();
-    }
 }