Remove WerRegisterMemoryBlock which causes issues when kernel debugging (#15432)

acoates-ms · web-flow · commit a2a5684ccabd · 2025-12-02T16:52:51.000-08:00
* Remove WerRegisterMemoryBlock which causes issues when kernel debugging

* Change files
diff --git a/change/react-native-windows-e224c699-ff43-4b3b-b859-c364d44ecadf.json b/change/react-native-windows-e224c699-ff43-4b3b-b859-c364d44ecadf.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Remove WerRegisterMemoryBlock which causes issues when kernel debugging",
+  "packageName": "react-native-windows",
+  "email": "30809111+acoates-ms@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Shared/MemoryMappedBuffer.cpp b/vnext/Shared/MemoryMappedBuffer.cpp
@@ -77,8 +77,6 @@ MemoryMappedBuffer::MemoryMappedBuffer(const wchar_t *const filename, uint32_t o
     throw facebook::jsi::JSINativeException(
         "MapViewOfFile/MapViewOfFileFromApp failed with last error " + std::to_string(GetLastError()));
   }
-
-  WerRegisterMemoryBlock(m_fileData.get(), m_fileSize);
 }
 
 size_t MemoryMappedBuffer::size() const {

Original file line number	Diff line number	Diff line change
`@@ -77,8 +77,6 @@ MemoryMappedBuffer::MemoryMappedBuffer(const wchar_t *const filename, uint32_t o`
`77`	`77`	`throw facebook::jsi::JSINativeException(`
`78`	`78`	`"MapViewOfFile/MapViewOfFileFromApp failed with last error " + std::to_string(GetLastError()));`
`79`	`79`	`}`
`80`		`-`
`81`		`- WerRegisterMemoryBlock(m_fileData.get(), m_fileSize);`
`82`	`80`	`}`
`83`	`81`
`84`	`82`	`size_t MemoryMappedBuffer::size() const {`