Index: src/os_win.c
==================================================================
--- src/os_win.c
+++ src/os_win.c
@@ -2991,11 +2991,11 @@
         bRc = osCloseHandle(p->aRegion[i].hMap);
         OSTRACE(("SHM-PURGE pid-%d close region=%d %s\n",
                  (int)osGetCurrentProcessId(), i,
                  bRc ? "ok" : "failed"));
       }
-      if( p->hFile.h != INVALID_HANDLE_VALUE ){
+      if( p->hFile.h!=NULL && p->hFile.h!=INVALID_HANDLE_VALUE ){
         SimulateIOErrorBenign(1);
         winClose((sqlite3_file *)&p->hFile);
         SimulateIOErrorBenign(0);
       }
       if( deleteFlag ){