diff --git a/samples/vboxwrapper/vboxwrapper.cpp b/samples/vboxwrapper/vboxwrapper.cpp
index 516d67d7aa..9a65690186 100644
--- a/samples/vboxwrapper/vboxwrapper.cpp
+++ b/samples/vboxwrapper/vboxwrapper.cpp
@@ -388,6 +388,7 @@ int main(int argc, char** argv) {
             }
             if (boinc_time_to_checkpoint()) {
                 checkpoint_cpu_time = elapsed_time;
+                write_checkpoint(checkpoint_cpu_time);
                 if (vm.max_elapsed_time) {
                     fraction_done = elapsed_time / vm.max_elapsed_time;
                     if (fraction_done > 1.0) {
diff --git a/win_build/vboxwrapper.vcproj b/win_build/vboxwrapper.vcproj
index 8c94eb0698..3e7c62039b 100644
--- a/win_build/vboxwrapper.vcproj
+++ b/win_build/vboxwrapper.vcproj
@@ -81,13 +81,13 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="libcmt.lib libcpmt.lib kernel32.lib user32.lib gdi32.lib ole32.lib wsock32.lib"
-				OutputFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24867_windows_intelx86.exe"
+				OutputFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24868_windows_intelx86.exe"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
 				IgnoreAllDefaultLibraries="true"
 				DelayLoadDLLs=""
 				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24867_windows_intelx86.pdb"
+				ProgramDatabaseFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24868_windows_intelx86.pdb"
 				SubSystem="2"
 				TargetMachine="1"
 			/>
@@ -182,13 +182,13 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalDependencies="libcmt.lib libcpmt.lib  kernel32.lib user32.lib gdi32.lib ole32.lib wsock32.lib"
-				OutputFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24867_windows_x86_64.exe"
+				OutputFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24868_windows_x86_64.exe"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
 				IgnoreAllDefaultLibraries="true"
 				DelayLoadDLLs=""
 				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24867_windows_x86_64.pdb"
+				ProgramDatabaseFile=".\Build\$(PlatformName)\$(ConfigurationName)\vboxwrapper_24868_windows_x86_64.pdb"
 				SubSystem="2"
 				TargetMachine="17"
 			/>