Index: packages/Python/lldbsuite/test/lldbtest.py
===================================================================
--- packages/Python/lldbsuite/test/lldbtest.py
+++ packages/Python/lldbsuite/test/lldbtest.py
@@ -1996,4 +1996,10 @@
     @classmethod
     def RemoveTempFile(cls, file):
         if os.path.exists(file):
-            os.remove(file)
+            try:
+                os.remove(file)
+            except:
+                # On Windows, we can sometimes need a retry because antimalware may
+                # briefly hold the file open.
+                time.sleep(0.5)
+                os.remove(file)