diff --git a/src/class_singleWorker.py b/src/class_singleWorker.py
index 2680f307..59d72ac3 100644
--- a/src/class_singleWorker.py
+++ b/src/class_singleWorker.py
@@ -147,17 +147,26 @@ class singleWorker(threading.Thread):
         shared.broadcastToSendDataQueues((
             streamNumber, 'advertiseobject', inventoryHash))
         shared.UISignalQueue.put(('updateStatusBar', ''))
-        shared.config.set(
-            myAddress, 'lastpubkeysendtime', str(int(time.time())))
-        with open(shared.appdata + 'keys.dat', 'wb') as configfile:
-            shared.config.write(configfile)
+        try:
+            shared.config.set(
+                myAddress, 'lastpubkeysendtime', str(int(time.time())))
+            with open(shared.appdata + 'keys.dat', 'wb') as configfile:
+                shared.config.write(configfile)
+        except:
+            # The user deleted the address out of the keys.dat file before this
+            # finished.
+            pass
 
     # If this isn't a chan address, this function assembles the pubkey data,
     # does the necessary POW and sends it out. If it *is* a chan then it
     # assembles the pubkey and stores is in the pubkey table so that we can
     # send messages to "ourselves".
     def sendOutOrStoreMyV3Pubkey(self, hash): 
-        myAddress = shared.myAddressesByHash[hash]
+        try:
+            myAddress = shared.myAddressesByHash[hash]
+        except:
+            #The address has been deleted.
+            return
         if shared.safeConfigGetBoolean(myAddress, 'chan'):
             with shared.printLock:
                 print 'This is a chan address. Not sending pubkey.'
@@ -224,14 +233,22 @@ class singleWorker(threading.Thread):
         shared.broadcastToSendDataQueues((
             streamNumber, 'advertiseobject', inventoryHash))
         shared.UISignalQueue.put(('updateStatusBar', ''))
-        shared.config.set(
-            myAddress, 'lastpubkeysendtime', str(int(time.time())))
-        with open(shared.appdata + 'keys.dat', 'wb') as configfile:
-            shared.config.write(configfile)
+        try:
+            shared.config.set(
+                myAddress, 'lastpubkeysendtime', str(int(time.time())))
+            with open(shared.appdata + 'keys.dat', 'wb') as configfile:
+                shared.config.write(configfile)
+        except:
+            # The user deleted the address out of the keys.dat file before this
+            # finished.
+            pass
 
     # If this isn't a chan address, this function assembles the pubkey data,
     # does the necessary POW and sends it out. 
     def sendOutOrStoreMyV4Pubkey(self, myAddress):
+        if not shared.config.has_section(myAddress):
+            #The address has been deleted.
+            return
         if shared.safeConfigGetBoolean(myAddress, 'chan'):
             with shared.printLock:
                 print 'This is a chan address. Not sending pubkey.'