diff --git a/VERSION b/VERSION
index 8f797bf57..ef42b9d7c 100644
--- a/VERSION
+++ b/VERSION
@@ -7,7 +7,7 @@ FWB_MICRO_VERSION=0
 # build number is like "nano" version number. I am incrementing build
 # number during development cycle
 #
-BUILD_NUM="3463"
+BUILD_NUM="3464"
 
 VERSION="$FWB_MAJOR_VERSION.$FWB_MINOR_VERSION.$FWB_MICRO_VERSION.$BUILD_NUM"
 
diff --git a/VERSION.h b/VERSION.h
index 3be3e7a71..061e7d1a2 100644
--- a/VERSION.h
+++ b/VERSION.h
@@ -1,2 +1,2 @@
-#define VERSION      "4.2.0.3463"
+#define VERSION      "4.2.0.3464"
 #define GENERATION   "4.2"
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 012918491..d9f5cc36d 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,10 @@
 2011-02-07  Vadim Kurland  <vadim@netcitadel.com>
 
+	* CompilerDriver_pix_run.cpp (run): fixes #2055 "Compiler shows
+	success, but there was a fatal error in the config". The bug has
+	been introduced recently (in 4.2.0) and really affected all
+	compilers.
+
 	* AddressTableDialog.cpp (browse): fixes #1914 "Address table
 	object file name is not created properly if user clicks outside
 	Editor panel"
diff --git a/packaging/fwbuilder-static-qt.spec b/packaging/fwbuilder-static-qt.spec
index 1e1c70deb..48554165e 100644
--- a/packaging/fwbuilder-static-qt.spec
+++ b/packaging/fwbuilder-static-qt.spec
@@ -3,7 +3,7 @@
 
 
 %define name    fwbuilder
-%define version 4.2.0.3463
+%define version 4.2.0.3464
 %define release 1
 
 %if "%_vendor" == "MandrakeSoft"
diff --git a/packaging/fwbuilder.control b/packaging/fwbuilder.control
index 885e4508d..d2e1aeb16 100644
--- a/packaging/fwbuilder.control
+++ b/packaging/fwbuilder.control
@@ -4,6 +4,6 @@ Replaces: fwbuilder (<=4.1.1-1), fwbuilder-common, fwbuilder-bsd, fwbuilder-linu
 Priority: extra
 Section: checkinstall
 Maintainer: vadim@fwbuilder.org
-Version: 4.2.0.3463-1
+Version: 4.2.0.3464-1
 Depends: libqt4-gui (>= 4.3.0), libxml2, libxslt1.1, libsnmp | libsnmp15
 Description: Firewall Builder GUI and policy compilers
diff --git a/packaging/fwbuilder.spec b/packaging/fwbuilder.spec
index 85a7ba5a0..1a4e3981e 100644
--- a/packaging/fwbuilder.spec
+++ b/packaging/fwbuilder.spec
@@ -1,6 +1,6 @@
 
 %define name    fwbuilder
-%define version 4.2.0.3463
+%define version 4.2.0.3464
 %define release 1
 
 %if "%_vendor" == "MandrakeSoft"
diff --git a/src/cisco_lib/CompilerDriver_iosacl_run.cpp b/src/cisco_lib/CompilerDriver_iosacl_run.cpp
index 359453e45..d2ee733f9 100644
--- a/src/cisco_lib/CompilerDriver_iosacl_run.cpp
+++ b/src/cisco_lib/CompilerDriver_iosacl_run.cpp
@@ -378,6 +378,7 @@ QString CompilerDriver_iosacl::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
 
diff --git a/src/cisco_lib/CompilerDriver_pix_run.cpp b/src/cisco_lib/CompilerDriver_pix_run.cpp
index eb13a351b..8689de382 100644
--- a/src/cisco_lib/CompilerDriver_pix_run.cpp
+++ b/src/cisco_lib/CompilerDriver_pix_run.cpp
@@ -535,9 +535,8 @@ QString CompilerDriver_pix::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
-        QString err = QString::fromUtf8(ex.toString().c_str());
-        qDebug() << err;
-        return err;
+        status = ERROR;
+        return QString::fromUtf8(ex.toString().c_str());
     }
 
     return "";
diff --git a/src/cisco_lib/CompilerDriver_procurve_acl_run.cpp b/src/cisco_lib/CompilerDriver_procurve_acl_run.cpp
index 7857f36d0..e5f39926f 100644
--- a/src/cisco_lib/CompilerDriver_procurve_acl_run.cpp
+++ b/src/cisco_lib/CompilerDriver_procurve_acl_run.cpp
@@ -366,6 +366,7 @@ QString CompilerDriver_procurve_acl::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
 
diff --git a/src/cisco_lib/RoutingCompiler_pix.cpp b/src/cisco_lib/RoutingCompiler_pix.cpp
index 6549e7a6c..bff46f82c 100644
--- a/src/cisco_lib/RoutingCompiler_pix.cpp
+++ b/src/cisco_lib/RoutingCompiler_pix.cpp
@@ -71,9 +71,10 @@ bool RoutingCompiler_pix::emptyRDstOrRItf::processNext()
 
     if (itfrel->isAny() || gtwrel->isAny())
     {
-        string msg;
-        msg = "Interface and gateway rule elements can not be empty in the PIX routing rule";
-        compiler->abort(rule, msg.c_str());
+        compiler->abort(
+            rule,
+            "Interface and gateway rule elements can not be empty in "
+            "the PIX routing rule");
     }
 
     return true;
diff --git a/src/iosacl/iosacl.cpp b/src/iosacl/iosacl.cpp
index 0a7b15073..0cb3b8667 100644
--- a/src/iosacl/iosacl.cpp
+++ b/src/iosacl/iosacl.cpp
@@ -162,7 +162,7 @@ int main(int argc, char **argv)
 
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
         
     } catch(libfwbuilder::FWException &ex)
     {
diff --git a/src/ipf/ipf.cpp b/src/ipf/ipf.cpp
index 9b1355a9c..fe7c38e3a 100644
--- a/src/ipf/ipf.cpp
+++ b/src/ipf/ipf.cpp
@@ -175,7 +175,7 @@ int main(int argc, char **argv)
         }
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
 
     } catch(const FWException &ex)  {
 	cerr << ex.toString() << endl;
diff --git a/src/ipfw/ipfw.cpp b/src/ipfw/ipfw.cpp
index fce9a8b6e..eda806638 100644
--- a/src/ipfw/ipfw.cpp
+++ b/src/ipfw/ipfw.cpp
@@ -171,9 +171,10 @@ int main(int argc, char **argv)
         }
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
 
-    } catch(const FWException &ex)  {
+    } catch(const FWException &ex)
+    {
 	cerr << ex.toString() << endl;
         return 1;
 #if __GNUC__ >= 3
diff --git a/src/ipt/ipt.cpp b/src/ipt/ipt.cpp
index ab403c686..a7988e23c 100644
--- a/src/ipt/ipt.cpp
+++ b/src/ipt/ipt.cpp
@@ -152,7 +152,7 @@ int main(int argc, char **argv)
         }
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
 
     } catch(const FWException &ex) 
     {
diff --git a/src/iptlib/CompilerDriver_ipt_run.cpp b/src/iptlib/CompilerDriver_ipt_run.cpp
index bcbdd4eec..04b9dd80d 100644
--- a/src/iptlib/CompilerDriver_ipt_run.cpp
+++ b/src/iptlib/CompilerDriver_ipt_run.cpp
@@ -746,6 +746,7 @@ QString CompilerDriver_ipt::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
     
diff --git a/src/libfwbuilder/src/fwcompiler/BaseCompiler.cpp b/src/libfwbuilder/src/fwcompiler/BaseCompiler.cpp
index 87e53f128..548775400 100644
--- a/src/libfwbuilder/src/fwcompiler/BaseCompiler.cpp
+++ b/src/libfwbuilder/src/fwcompiler/BaseCompiler.cpp
@@ -152,7 +152,7 @@ void BaseCompiler::abort(const string &errstr) throw(FWException)
     printError(errstr);
     if (inEmbeddedMode())
         throw FatalErrorInSingleRuleCompileMode(errors_buffer.str());
-
+    status = ERROR;
     if (test_mode) return;
     throw FWException("Fatal error");
 }
@@ -165,13 +165,14 @@ void BaseCompiler::abort(FWObject *fw,
     message("error", fw, ruleset, rule, errstr);
     if (inEmbeddedMode())
         throw FatalErrorInSingleRuleCompileMode(errors_buffer.str());
-
+    status = ERROR;
     if (test_mode) return;
     throw FWException("Fatal error");
 }
 
 void BaseCompiler::error(const string &str)
 {
+    status = ERROR;
     printError(str);
 }
 
@@ -180,6 +181,7 @@ void BaseCompiler::error(FWObject *fw,
                          FWObject *rule,
                          const string &errstr)
 {
+    status = ERROR;
     message("error", fw, ruleset, rule, errstr);
 }
 
diff --git a/src/libfwbuilder/src/fwcompiler/BaseCompiler.h b/src/libfwbuilder/src/fwcompiler/BaseCompiler.h
index e2bd1a1cf..2993175bd 100644
--- a/src/libfwbuilder/src/fwcompiler/BaseCompiler.h
+++ b/src/libfwbuilder/src/fwcompiler/BaseCompiler.h
@@ -73,15 +73,23 @@ namespace fwcompiler {
                      libfwbuilder::FWObject *ruleset,
                      libfwbuilder::FWObject *rule,
                      const std::string &errstr);
+        
+public:
+        typedef enum {SUCCESS, ERROR} termination_status;
+
+protected:
+        termination_status status;
 
 public:
-
+        
         virtual void setTestMode() { test_mode = true; }
         bool inTestMode() { return test_mode; }
 
         virtual void setEmbeddedMode() { embedded_mode = true; }
         bool inEmbeddedMode() { return embedded_mode; }
 
+        termination_status getStatus() { return status; }
+        
         /**
          * prints error message and aborts the program. If compiler is
          * in testing mode (flag test_mode==true), then just prints
@@ -119,7 +127,13 @@ public:
         
 	virtual ~BaseCompiler() {};
 
-	BaseCompiler() {test_mode = false; embedded_mode = false; level_macro = "%LEVEL%";};
+	BaseCompiler()
+        {
+            test_mode = false;
+            embedded_mode = false;
+            level_macro = "%LEVEL%";
+            status = SUCCESS;
+        };
 
 	std::string getErrors(const std::string &comment_sep);
 	bool haveErrorsAndWarnings();
diff --git a/src/pf/pf.cpp b/src/pf/pf.cpp
index 09630eb04..1831214d7 100644
--- a/src/pf/pf.cpp
+++ b/src/pf/pf.cpp
@@ -155,9 +155,10 @@ int main(int argc, char **argv)
         }
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
 
-    } catch(const FWException &ex)  {
+    } catch(const FWException &ex)
+    {
 	cerr << ex.toString() << endl;
         return 1;
 #if __GNUC__ >= 3
diff --git a/src/pflib/CompilerDriver_ipf_run.cpp b/src/pflib/CompilerDriver_ipf_run.cpp
index 07f1d1b32..6ff49997d 100644
--- a/src/pflib/CompilerDriver_ipf_run.cpp
+++ b/src/pflib/CompilerDriver_ipf_run.cpp
@@ -416,6 +416,7 @@ QString CompilerDriver_ipf::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
     
diff --git a/src/pflib/CompilerDriver_ipfw_run.cpp b/src/pflib/CompilerDriver_ipfw_run.cpp
index f58442abc..a4ba6626a 100644
--- a/src/pflib/CompilerDriver_ipfw_run.cpp
+++ b/src/pflib/CompilerDriver_ipfw_run.cpp
@@ -338,6 +338,7 @@ QString CompilerDriver_ipfw::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
 
diff --git a/src/pflib/CompilerDriver_pf_run.cpp b/src/pflib/CompilerDriver_pf_run.cpp
index 12419c2fa..caadf0902 100644
--- a/src/pflib/CompilerDriver_pf_run.cpp
+++ b/src/pflib/CompilerDriver_pf_run.cpp
@@ -685,6 +685,7 @@ QString CompilerDriver_pf::run(const std::string &cluster_id,
     }
     catch (FWException &ex)
     {
+        status = ERROR;
         return QString::fromUtf8(ex.toString().c_str());
     }
 
diff --git a/src/pix/pix.cpp b/src/pix/pix.cpp
index 7d241d090..a343484d3 100644
--- a/src/pix/pix.cpp
+++ b/src/pix/pix.cpp
@@ -175,20 +175,16 @@ int main(int argc, char **argv)
             driver.compile();
 
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
 
-    } catch(libfwbuilder::FWException &ex)  {
+    } catch(libfwbuilder::FWException &ex)
+    {
         cerr << ex.toString() << endl;
         return 1;
-    } catch (std::string s) {
+    } catch (std::string s)
+    {
         cerr << s << endl;
         return 1;
-//     } catch (std::exception ex) {
-//         cerr << "exception: " << ex.what() << endl;
-//         return 1;
-//     } catch (...) {
-//         cerr << "Unsupported exception";
-//         return 1;
     }
 
     return 0;
diff --git a/src/procurve_acl/procurve_acl.cpp b/src/procurve_acl/procurve_acl.cpp
index 2b8211e4f..708fd8695 100644
--- a/src/procurve_acl/procurve_acl.cpp
+++ b/src/procurve_acl/procurve_acl.cpp
@@ -162,7 +162,7 @@ int main(int argc, char **argv)
 
         driver.compile();
         delete objdb;
-        return 0;
+        return (driver.getStatus() == BaseCompiler::SUCCESS) ? 0 : 1;
         
     } catch(libfwbuilder::FWException &ex)
     {