Harden Burn's BootstrapperApplication and elevated engine extraction

Fixes 8914

1 files changed, 8 insertions, 0 deletions

diff --git a/src/burn/engine/bootstrapperapplication.cpp b/src/burn/engine/bootstrapperapplication.cpp
index 947b3720..dc3bd5da 100644
--- a/src/burn/engine/bootstrapperapplication.cpp
+++ b/src/burn/engine/bootstrapperapplication.cpp
@@ -306,6 +306,14 @@ EXTERN_C HRESULT BootstrapperApplicationRemove(
 {
     HRESULT hr = S_OK;
 
+    // Release any open file handles so we can try to recursively delete the temp folder.
+    for (DWORD i = 0; i < pUserExperience->payloads.cPayloads; ++i)
+    {
+        BURN_PAYLOAD* pPayload = pUserExperience->payloads.rgPayloads + i;
+
+        ReleaseFileHandle(pPayload->hLocalFile);
+    }
+
     // Remove temporary UX directory
     if (pUserExperience->sczTempDirectory)
     {