diff --git a/samples/vboxwrapper/vboxwrapper.cpp b/samples/vboxwrapper/vboxwrapper.cpp
index cac73480fd..d936cfa36f 100644
--- a/samples/vboxwrapper/vboxwrapper.cpp
+++ b/samples/vboxwrapper/vboxwrapper.cpp
@@ -451,6 +451,13 @@ int main(int argc, char** argv) {
         );
     }
 
+    // Check against known incompatible versions of VirtualBox.  
+    // NOTE: Incompatible in this case means that VirtualBox 4.2.6 crashes during snapshot operations
+    //
+    if (vm.virtualbox_version.find("4.2.6r") != std::string::npos) {
+        boinc_temporary_exit(86400, "Incompatible version of VirtualBox detected.");
+    }
+
     // Record if anonymous platform was used.
     // 
     if (boinc_file_exists((std::string(aid.project_dir) + std::string("/app_info.xml")).c_str())) {