--- a/patches	Tue Nov 12 15:47:37 1996 +0100
+++ b/patches	Tue Nov 12 16:46:23 1996 +0100
@@ -25,7 +25,7 @@
 
 Class catchMethodRedefinitions:false.
 ObjectMemory infoPrinting:false.
-Smalltalk loadBinaries:true.
+"/ Smalltalk loadBinaries:true.
 Compiler allowUnderscoreInIdentifier:true. 
 Compiler warnUnderscoreInIdentifier:false. 
 Compiler warnSTXSpecials:false.
@@ -135,8 +135,12 @@
 "/
 |needToReactivate|
 
-needToReactivate := HistoryManager isActive.
-HistoryManager deactivate.
+HistoryManager notNil ifTrue:[
+    needToReactivate := HistoryManager isActive.
+    HistoryManager deactivate.
+] ifFalse:[
+    needToReactivate := false
+].
 Class withoutUpdatingChangesDo:[   
     'installing autoloaded classes ...' printCR.
 Smalltalk silentLoading:false.
@@ -203,10 +207,9 @@
 Class catchMethodRedefinitions:false.
 
 'installing patches ...' infoPrintNL.
+!
 
 "/
 "/ the following patches where added by the changesBrowsers 'make change a patch'
 "/ function ...
 "/
-!
-