diff -r 509e62469cb1 -r c6a2e41c8c60 mercurial/lock.py
--- a/mercurial/lock.py	Tue Jun 28 02:04:49 2005 -0800
+++ b/mercurial/lock.py	Tue Jun 28 02:08:14 2005 -0800
@@ -43,5 +43,7 @@
     def release(self):
         if self.held:
             self.held = 0
-            os.unlink(self.f)
+            try:
+                os.unlink(self.f)
+            except: pass