Chris Muller uploaded a new version of Installer-Core to project The Trunk:
http://source.squeak.org/trunk/Installer-Core-cmm.352.mcz

==================== Summary ====================

Name: Installer-Core-cmm.352
Author: cmm
Time: 22 October 2011, 11:37:41.234 am
UUID: a2c8f97a-d1c7-4022-937c-f8d7ece1f39a
Ancestors: Installer-Core-jmg.351

Fix broken Installer class>>#noProgressDuring:.

=============== Diff against Installer-Core-jmg.351 ===============

Item was changed:
  ----- Method: Installer class>>noProgressDuring: (in category 'during') -----
  noProgressDuring: block
+ 	[ block value: self ] 
+ 		on: ProgressInitiationException 
+ 		do: [ : note | note sendNotificationsTo: [ :min :max :curr | "ignore" ] ]!
-  
- 	[ block value: self ] on: ProgressInitiationException do: [ :note | note resume ]
- 
- !