diff --git a/build_num b/build_num
index 3bbb293a4..8cfbfb3ed 100644
--- a/build_num
+++ b/build_num
@@ -1 +1 @@
-#define BUILD_NUM 3093
+#define BUILD_NUM 3103
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 6b718ddf0..5481f94da 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-19  Vadim Kurland  <vadim@vk.crocodile.org>
+
+	* objects_init.xml.in: fixed bug #3031721 "Qt has caught an
+	exception thrown from an event handler." The "Standard" objects
+	library was made read-write in one of the earlier builds
+
 2010-07-17  Vadim Kurland  <vadim@vk.crocodile.org>
 
 	* DiscoveryDruid.cpp (DiscoveryDruid::DiscoveryDruid): fixed #1597
diff --git a/src/res/objects_init.xml b/src/res/objects_init.xml
index a5b60cd3c..02bf552b6 100644
--- a/src/res/objects_init.xml
+++ b/src/res/objects_init.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE FWObjectDatabase SYSTEM "fwbuilder.dtd">
 <FWObjectDatabase xmlns="http://www.fwbuilder.org/1.0/" version="16" lastModified="1265059184" id="root">
-  <Library id="syslib000" color="#d4f8ff" name="Standard" comment="Standard objects" ro="False">
+  <Library id="syslib000" color="#d4f8ff" name="Standard" comment="Standard objects" ro="True">
     <AnyNetwork id="sysid0" name="Any" comment="Any Network" ro="False" address="0.0.0.0" netmask="0.0.0.0"/>
     <AnyIPService id="sysid1" protocol_num="0" name="Any" comment="Any IP Service" ro="False"/>
     <AnyInterval id="sysid2" days_of_week="0,1,2,3,4,5,6" from_day="-1" from_hour="-1" from_minute="-1" from_month="-1" from_weekday="-1" from_year="-1" to_day="-1" to_hour="-1" to_minute="-1" to_month="-1" to_weekday="-1" to_year="-1" name="Any" comment="Any Interval" ro="False"/>
diff --git a/src/res/objects_init.xml.in b/src/res/objects_init.xml.in
index 0567f2117..c9ad7202d 100644
--- a/src/res/objects_init.xml.in
+++ b/src/res/objects_init.xml.in
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE FWObjectDatabase SYSTEM "fwbuilder.dtd">
 <FWObjectDatabase xmlns="http://www.fwbuilder.org/1.0/" version="@FWBUILDER_XML_VERSION@" lastModified="1265059184" id="root">
-  <Library id="syslib000" color="#d4f8ff" name="Standard" comment="Standard objects" ro="False">
+  <Library id="syslib000" color="#d4f8ff" name="Standard" comment="Standard objects" ro="True">
     <AnyNetwork id="sysid0" name="Any" comment="Any Network" ro="False" address="0.0.0.0" netmask="0.0.0.0"/>
     <AnyIPService id="sysid1" protocol_num="0" name="Any" comment="Any IP Service" ro="False"/>
     <AnyInterval id="sysid2" days_of_week="0,1,2,3,4,5,6" from_day="-1" from_hour="-1" from_minute="-1" from_month="-1" from_weekday="-1" from_year="-1" to_day="-1" to_hour="-1" to_minute="-1" to_month="-1" to_weekday="-1" to_year="-1" name="Any" comment="Any Interval" ro="False"/>