diff --git a/PC/launcher.c b/PC/launcher.c
--- a/PC/launcher.c
+++ b/PC/launcher.c
@@ -166,16 +166,19 @@ static size_t num_installed_pythons = 0;
 #define IP_VERSION_SIZE 8
 #define IP_SIZE (IP_BASE_SIZE + IP_VERSION_SIZE)
 #define CORE_PATH L"SOFTWARE\\Python\\PythonCore"
 
 static wchar_t * location_checks[] = {
     L"\\",
     L"\\PCBuild\\win32\\",
     L"\\PCBuild\\amd64\\",
+    // To support early 32bit versions of Python that stuck the build binaries
+    // directly in PCBuild...
+    L"\\PCBuild\\",
     NULL
 };
 
 static INSTALLED_PYTHON *
 find_existing_python(wchar_t * path)
 {
     INSTALLED_PYTHON * result = NULL;
     size_t i;