diff --git a/samples/vboxwrapper/vbox.cpp b/samples/vboxwrapper/vbox.cpp
index ea1d9c3187..1f6d8a8db4 100644
--- a/samples/vboxwrapper/vbox.cpp
+++ b/samples/vboxwrapper/vbox.cpp
@@ -1438,6 +1438,11 @@ bool VBOX_VM::is_extpack_installed() {
 bool VBOX_VM::is_logged_failure_vm_extensions_disabled() {
     if (vm_log.find("VERR_VMX_MSR_LOCKED_OR_DISABLED") != string::npos) return true;
     if (vm_log.find("VERR_SVM_DISABLED") != string::npos) return true;
+
+    // VirtualBox 4.3.x or better
+    if (vm_log.find("VERR_VMX_MSR_VMXON_DISABLED") != string::npos) return true;
+    if (vm_log.find("VERR_VMX_MSR_SMX_VMXON_DISABLED") != string::npos) return true;
+
     return false;
 }
 
diff --git a/win_build/vboxwrapper.vcxproj b/win_build/vboxwrapper.vcxproj
index aa356f7f60..2fd919571f 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_26048_windows_intelx86.exe</OutputFile>
+      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_intelx86.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
       <DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26048_windows_intelx86.pdb</ProgramDatabaseFile>
+      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_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_26048_windows_x86_64.exe</OutputFile>
+      <OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_x86_64.exe</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
       <DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26048_windows_x86_64.pdb</ProgramDatabaseFile>
+      <ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26049_windows_x86_64.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>