4 files changed, 14 insertions, 15 deletions

diff --git a/src/burn/engine/core.cpp b/src/burn/engine/core.cpp
index ca4d607b..43f79133 100644
--- a/src/burn/engine/core.cpp
+++ b/src/burn/engine/core.cpp
@@ -264,10 +264,6 @@ extern "C" HRESULT CoreQueryRegistration(
     SIZE_T cbBuffer = 0;
     SIZE_T iBuffer = 0;
 
-    // Detect if bundle is already installed.
-    hr = RegistrationDetectInstalled(&pEngineState->registration);
-    ExitOnFailure(hr, "Failed to detect bundle install state.");
-
     // detect resume type
     hr = RegistrationDetectResumeType(&pEngineState->registration, &pEngineState->command.resumeType);
     ExitOnFailure(hr, "Failed to detect resume type.");
@@ -315,14 +311,6 @@ extern "C" HRESULT CoreDetect(
     DetectReset(&pEngineState->registration, &pEngineState->packages);
     PlanReset(&pEngineState->plan, &pEngineState->containers, &pEngineState->packages, &pEngineState->layoutPayloads);
 
-    // Detect if bundle installed state has changed since start up.
-    // This only happens if Apply() changed the state of bundle (installed, in progress, or uninstalled).
-    // In that case, Detect() can be used here to reset the installed state.
-    // Of course, there's also cases outside of this bundle's control,
-    // like other processes messing with its registration.
-    hr = RegistrationDetectInstalled(&pEngineState->registration);
-    ExitOnFailure(hr, "Failed to detect bundle install state.");
-
     hr = RegistrationSetDynamicVariables(&pEngineState->registration, &pEngineState->variables);
     ExitOnFailure(hr, "Failed to reset the dynamic registration variables during detect.");
 
diff --git a/src/burn/engine/elevation.cpp b/src/burn/engine/elevation.cpp
index d12a151a..e479b6c0 100644
--- a/src/burn/engine/elevation.cpp
+++ b/src/burn/engine/elevation.cpp
@@ -178,6 +178,7 @@ static HRESULT OnApplyInitialize(
     );
 static HRESULT ElevatedProcessDetect(
     __in BURN_REGISTRATION* pRegistration,
+    __in BURN_VARIABLES* pVariables,
     __in BURN_PACKAGES* pPackages
     );
 static HRESULT OnApplyUninitialize(
@@ -2245,7 +2246,7 @@ static HRESULT OnApplyInitialize(
     ExitOnFailure(hr, "Failed to acquire lock due to setup in other session.");
 
     // Detect.
-    hr = ElevatedProcessDetect(pRegistration, pPackages);
+    hr = ElevatedProcessDetect(pRegistration, pVariables, pPackages);
     ExitOnFailure(hr, "Failed to run detection in elevated process.");
 
     // Attempt to pause AU with best effort.
@@ -2331,6 +2332,7 @@ LExit:
 
 static HRESULT ElevatedProcessDetect(
     __in BURN_REGISTRATION* pRegistration,
+    __in BURN_VARIABLES* pVariables,
     __in BURN_PACKAGES* pPackages
     )
 {
@@ -2338,6 +2340,9 @@ static HRESULT ElevatedProcessDetect(
 
     DetectReset(pRegistration, pPackages);
 
+    hr = RegistrationSetDynamicVariables(pRegistration, pVariables);
+    ExitOnFailure(hr, "Failed to reset the dynamic registration variables during elevated detect.");
+
     hr = RelatedBundlesInitializeForScope(TRUE, pRegistration, &pRegistration->relatedBundles);
     ExitOnFailure(hr, "Failed to initialize per-machine related bundles.");
 
diff --git a/src/burn/engine/registration.cpp b/src/burn/engine/registration.cpp
index fcefe5e0..545c390b 100644
--- a/src/burn/engine/registration.cpp
+++ b/src/burn/engine/registration.cpp
@@ -484,7 +484,13 @@ extern "C" HRESULT RegistrationSetDynamicVariables(
     )
 {
     HRESULT hr = S_OK;
-    LONGLONG llInstalled = BOOTSTRAPPER_REGISTRATION_TYPE_FULL == pRegistration->detectedRegistrationType ? 1 : 0;
+    LONGLONG llInstalled = 0;
+
+    // Detect if bundle is already installed.
+    hr = RegistrationDetectInstalled(pRegistration);
+    ExitOnFailure(hr, "Failed to detect bundle install state.");
+
+    llInstalled = BOOTSTRAPPER_REGISTRATION_TYPE_FULL == pRegistration->detectedRegistrationType ? 1 : 0;
 
     hr = VariableSetNumeric(pVariables, BURN_BUNDLE_INSTALLED, llInstalled, TRUE);
     ExitOnFailure(hr, "Failed to set the bundle installed built-in variable.");
diff --git a/src/burn/engine/variable.cpp b/src/burn/engine/variable.cpp
index 5d92590c..ae06c1d5 100644
--- a/src/burn/engine/variable.cpp
+++ b/src/burn/engine/variable.cpp
@@ -271,7 +271,7 @@ extern "C" HRESULT VariableInitialize(
         {BURN_BUNDLE_EXECUTE_PACKAGE_CACHE_FOLDER, InitializeVariableString, NULL, FALSE, TRUE},
         {BURN_BUNDLE_EXECUTE_PACKAGE_ACTION, InitializeVariableString, NULL, FALSE, TRUE},
         {BURN_BUNDLE_FORCED_RESTART_PACKAGE, InitializeVariableString, NULL, TRUE, TRUE},
-        {BURN_BUNDLE_INSTALLED, InitializeVariableNumeric, 0, FALSE, TRUE},
+        {BURN_BUNDLE_INSTALLED, InitializeVariableNumeric, 0},
         {BURN_BUNDLE_ELEVATED, InitializeVariableNumeric, 0, FALSE, TRUE},
         {BURN_BUNDLE_ACTIVE_PARENT, InitializeVariableString, NULL, FALSE, TRUE},
         {BURN_BUNDLE_PROVIDER_KEY, InitializeVariableString, (DWORD_PTR)L"", FALSE, TRUE},