diff --git a/samples/vboxwrapper/vbox.cpp b/samples/vboxwrapper/vbox.cpp
index 1f6d8a8db4..f1e482e024 100644
--- a/samples/vboxwrapper/vbox.cpp
+++ b/samples/vboxwrapper/vbox.cpp
@@ -1045,7 +1045,7 @@ int VBOX_VM::start() {
     if (headless) {
         command += " --type headless";
     }
-    retval = vbm_popen(command, output, "start VM");
+    retval = vbm_popen(command, output, "start VM", true, false, 0);
     if (retval) return retval;
 
     // Wait for up to 5 minutes for the VM to switch states.  A system
diff --git a/samples/vboxwrapper/vboxwrapper.cpp b/samples/vboxwrapper/vboxwrapper.cpp
index 5687352e35..8772eb8288 100644
--- a/samples/vboxwrapper/vboxwrapper.cpp
+++ b/samples/vboxwrapper/vboxwrapper.cpp
@@ -703,7 +703,18 @@ int main(int argc, char** argv) {
         } else if (ERR_NOT_EXITED == retval) {
             fprintf(
                 stderr,
-                "%s NOTE: VM was already running.  BOINC will be notified that it needs to clean up the environment.\n"
+                "%s NOTE: VM was already running.\n"
+                "    BOINC will be notified that it needs to clean up the environment.\n"
+                "    This might be a temporary problem and so this job will be rescheduled for another time.\n",
+                vboxwrapper_msg_prefix(buf, sizeof(buf))
+            );
+            unrecoverable_error = false;
+            temp_reason = (char*)"VM environment needed to be cleaned up.";
+        } else if (vm.is_virtualbox_error_recoverable(retval)) {
+            fprintf(
+                stderr,
+                "%s NOTE: VM session lock error encountered.\n"
+                "    BOINC will be notified that it needs to clean up the environment.\n"
                 "    This might be a temporary problem and so this job will be rescheduled for another time.\n",
                 vboxwrapper_msg_prefix(buf, sizeof(buf))
             );
diff --git a/win_build/vboxwrapper.vcxproj b/win_build/vboxwrapper.vcxproj
index 2fd919571f..7ccbff0eba 100644
--- a/win_build/vboxwrapper.vcxproj
+++ b/win_build/vboxwrapper.vcxproj
@@ -128,12 +128,12 @@
     </ResourceCompile>
     <Link>
       <AdditionalDependencies>libcmt.lib;libcpmt.lib;kernel32.lib;user32.lib;gdi32.lib;ole32.lib;wsock32.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_intelx86.exe</OutputFile>
+      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26050_windows_intelx86.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
       <DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_intelx86.pdb</ProgramDatabaseFile>
+      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26050_windows_intelx86.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
@@ -177,12 +177,12 @@
     </ResourceCompile>
     <Link>
       <AdditionalDependencies>libcmt.lib;libcpmt.lib;kernel32.lib;user32.lib;gdi32.lib;ole32.lib;wsock32.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_x86_64.exe</OutputFile>
+      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26050_windows_x86_64.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
       <DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_x86_64.pdb</ProgramDatabaseFile>
+      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26050_windows_x86_64.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>