diff --git a/sapi/isapi/php4isapi.c b/sapi/isapi/php4isapi.c
index bd56b5c2d0c..6256d7f93b1 100644
--- a/sapi/isapi/php4isapi.c
+++ b/sapi/isapi/php4isapi.c
@@ -36,7 +36,6 @@
 #include "ext/standard/info.h"
 #include "php_variables.h"
 #include "php_ini.h"
-#include "ext/standard/head.h"
 
 #ifdef WITH_ZEUS
 # include "httpext.h"
@@ -62,7 +61,7 @@ exception trapping when running under a debugger
 #define ISAPI_POST_DATA_BUF 1024
 
 static zend_bool bFilterLoaded=0;
-static zend_bool bIgnoreCrashes=0;
+static zend_bool bTerminateThreadsOnError=0;
 
 static char *isapi_special_server_variable_names[] = {
 	"ALL_HTTP",
@@ -298,7 +297,7 @@ static int php_isapi_startup(sapi_module_struct *sapi_module)
 		|| zend_startup_module(&php_isapi_module)==FAILURE) {
 		return FAILURE;
 	} else {
-		bIgnoreCrashes = (zend_bool) INI_INT("isapi.ignore_crashes");
+		bTerminateThreadsOnError = (zend_bool) INI_INT("isapi.terminate_threads_on_error");
 		return SUCCESS;
 	}
 }
@@ -692,28 +691,23 @@ BOOL WINAPI GetExtensionVersion(HSE_VERSION_INFO *pVer)
 }
 
 
-#ifdef PHP_WIN32
-static int php_isapi_exception_handler(LPEXCEPTION_POINTERS ep TSRMLS_DC)
+static void my_endthread()
 {
-	if (ep->ExceptionRecord->ExceptionCode==EXCEPTION_STACK_OVERFLOW) {
-		return EXCEPTION_EXECUTE_HANDLER;
+#ifdef PHP_WIN32
+	if (bTerminateThreadsOnError) {
+		_endthread();
 	}
-	if (ep->ExceptionRecord->ExceptionCode==EXCEPTION_ACCESS_VIOLATION) {
-		char buf[1024];
+#endif
+}
 
-		_snprintf(buf, sizeof(buf)-1,"PHP has encountered an Access Violation at %p", ep->ExceptionRecord->ExceptionAddress);
-		php_isapi_report_exception(buf, strlen(buf) TSRMLS_CC);
-	} else {
-		char buf[1024];
-
-		_snprintf(buf, sizeof(buf)-1,"PHP has encountered an Unhandled Exception Code %d at %p", ep->ExceptionRecord->ExceptionCode , ep->ExceptionRecord->ExceptionAddress);
-		php_isapi_report_exception(buf, strlen(buf) TSRMLS_CC);
-	}
-	if (bIgnoreCrashes) {
-		return EXCEPTION_CONTINUE_SEARCH;
-	} else {
-		exit(-1);
-	}
+#ifdef PHP_WIN32
+/* ep is accessible only in the context of the __except expression,
+ * so we have to call this function to obtain it.
+ */
+BOOL exceptionhandler(LPEXCEPTION_POINTERS *e, LPEXCEPTION_POINTERS ep)
+{
+	*e=ep;
+	return TRUE;
 }
 #endif
 
@@ -721,6 +715,9 @@ DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
 {
 	zend_file_handle file_handle;
 	zend_bool stack_overflown=0;
+#ifdef PHP_ENABLE_SEH
+	LPEXCEPTION_POINTERS e;
+#endif
 	TSRMLS_FETCH();
 
 	zend_first_try {
@@ -760,9 +757,9 @@ DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
 				efree(SG(request_info).cookie_data);
 			}
 #ifdef PHP_ENABLE_SEH
-		} __except(php_isapi_exception_handler(GetExceptionInformation() TSRMLS_CC)) {
-			/* we only trap stack overflow exceptions */
-			if (_exception_code() == EXCEPTION_STACK_OVERFLOW) {
+		} __except(exceptionhandler(&e, GetExceptionInformation())) {
+			char buf[1024];
+			if (_exception_code()==EXCEPTION_STACK_OVERFLOW) {
 				LPBYTE lpPage;
 				static SYSTEM_INFO si;
 				static MEMORY_BASIC_INFORMATION mi;
@@ -790,18 +787,24 @@ DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
 				}
 
 				CG(unclean_shutdown)=1;
-				php_header();
-				sapi_isapi_ub_write("Stack overflow", sizeof("Stack overflow")-1 TSRMLS_CC);
+				_snprintf(buf, sizeof(buf)-1,"PHP has encountered a Stack overflow");
+				php_isapi_report_exception(buf, strlen(buf) TSRMLS_CC);
+			} else if (_exception_code()==EXCEPTION_ACCESS_VIOLATION) {
+				_snprintf(buf, sizeof(buf)-1,"PHP has encountered an Access Violation at %p", e->ExceptionRecord->ExceptionAddress);
+				php_isapi_report_exception(buf, strlen(buf) TSRMLS_CC);
+				my_endthread();
+			} else {
+				_snprintf(buf, sizeof(buf)-1,"PHP has encountered an Unhandled Exception Code %d at %p", e->ExceptionRecord->ExceptionCode , e->ExceptionRecord->ExceptionAddress);
+				php_isapi_report_exception(buf, strlen(buf) TSRMLS_CC);
+				my_endthread();
 			}
 #endif
 		}
 #ifdef PHP_ENABLE_SEH
 		__try {
 			php_request_shutdown(NULL);
-		} __except(php_isapi_exception_handler(GetExceptionInformation() TSRMLS_CC)) {
-			/* We should only get to this block in case of a stack overflow,
-			 * which is very unlikely
-			 */
+		} __except(EXCEPTION_EXECUTE_HANDLER) {
+			my_endthread();
 		}
 #else
 		php_request_shutdown(NULL);