Index: frm/frmBackupServer.cpp
===================================================================
--- frm/frmBackupServer.cpp	(revision 8225)
+++ frm/frmBackupServer.cpp	(working copy)
@@ -143,7 +143,7 @@
         cmd += wxT(" --host ") + server->GetName();
 
     cmd +=  wxT(" --port ") + NumToStr((long)server->GetPort())
-         +  wxT(" --username ") + server->GetUsername();
+         +  wxT(" --username ") + commandLineCleanOption(server->GetUsername());
     return cmd;
 }
 
Index: frm/frmBackup.cpp
===================================================================
--- frm/frmBackup.cpp	(revision 8225)
+++ frm/frmBackup.cpp	(working copy)
@@ -198,7 +198,7 @@
         cmd += wxT(" --host ") + server->GetName();
 
     cmd +=  wxT(" --port ") + NumToStr((long)server->GetPort())
-         +  wxT(" --username ") + server->GetUsername();
+         +  wxT(" --username ") + commandLineCleanOption(server->GetUsername());
 
     if (object->GetConnection()->GetIsGreenplum())
         cmd += wxT(" --gp-syntax ");
@@ -273,9 +273,9 @@
 
     if (object->GetMetaType() == PGM_SCHEMA)
 #ifdef WIN32
-        cmd.Append(wxT(" --schema \\\"") + ((pgSchema*)object)->GetIdentifier() + wxT("\\\""));
+        cmd.Append(wxT(" --schema ") + commandLineCleanOption(wxT("\"") + ((pgSchema*)object)->GetIdentifier() + wxT("\"")));
 #else
-        cmd.Append(wxT(" --schema '") + ((pgSchema*)object)->GetQuotedIdentifier() + wxT("'"));
+        cmd.Append(wxT(" --schema ") + commandLineCleanOption(wxT("'") + ((pgSchema*)object)->GetQuotedIdentifier() + wxT("'")));
 #endif
 
     else if (object->GetMetaType() == PGM_TABLE || object->GetMetaType() == GP_PARTITION) 
@@ -284,17 +284,19 @@
         if (pgAppMinimumVersion(backupExecutable, 8, 2))
         {
 #ifdef WIN32
-            cmd.Append(wxT(" --table \"\\\"") + ((pgTable*)object)->GetSchema()->GetIdentifier() + 
-                       wxT("\\\".\\\"") + ((pgTable*)object)->GetIdentifier() + wxT("\\\"\""));
+            cmd.Append(wxT(" --table ") +
+                  commandLineCleanOption(wxT("\"\"") + ((pgTable*)object)->GetSchema()->GetIdentifier() + 
+                        wxT("\".\"") + ((pgTable*)object)->GetIdentifier() + wxT("\"\"")));
 #else
-            cmd.Append(wxT(" --table '") + ((pgTable*)object)->GetSchema()->GetQuotedIdentifier() + 
-                       wxT(".") + ((pgTable*)object)->GetQuotedIdentifier() + wxT("'"));
+            cmd.Append(wxT(" --table ") +
+                  commandLineCleanOption(wxT("'") + ((pgTable*)object)->GetSchema()->GetQuotedIdentifier() + 
+                        wxT(".") + ((pgTable*)object)->GetQuotedIdentifier() + wxT("'")));
 #endif
         }
         else
         {
-            cmd.Append(wxT(" --table ") + ((pgTable*)object)->GetQuotedIdentifier());
-            cmd.Append(wxT(" --schema ") + ((pgTable*)object)->GetSchema()->GetQuotedIdentifier());
+            cmd.Append(wxT(" --table ") + commandLineCleanOption(((pgTable*)object)->GetQuotedIdentifier()));
+            cmd.Append(wxT(" --schema ") + commandLineCleanOption(((pgTable*)object)->GetSchema()->GetQuotedIdentifier()));
         }
     }
 
Index: frm/frmBackupGlobals.cpp
===================================================================
--- frm/frmBackupGlobals.cpp	(revision 8225)
+++ frm/frmBackupGlobals.cpp	(working copy)
@@ -158,7 +158,7 @@
         cmd += wxT(" --host ") + server->GetName();
 
     cmd +=  wxT(" --port ") + NumToStr((long)server->GetPort())
-         +  wxT(" --username ") + server->GetUsername();
+         +  wxT(" --username ") + commandLineCleanOption(server->GetUsername());
     return cmd;
 }
 
Index: frm/frmRestore.cpp
===================================================================
--- frm/frmRestore.cpp	(revision 8225)
+++ frm/frmRestore.cpp	(working copy)
@@ -338,19 +338,19 @@
                 {
                     int sel=lstContents->GetSelection();
                     if (lstContents->GetText(sel, 0).Lower() == wxString(_("Function")).Lower())
-                        cmd.Append(wxT(" --function ") + qtIdent(lstContents->GetText(sel, 1).BeforeLast('(')));
+                        cmd.Append(wxT(" --function ") + commandLineCleanOption(qtIdent(lstContents->GetText(sel, 1).BeforeLast('('))));
                     else if (lstContents->GetText(sel, 0).Lower() == wxString(_("Table")).Lower())
-                        cmd.Append(wxT(" --table ") + qtIdent(lstContents->GetText(sel, 1)));
+                        cmd.Append(wxT(" --table ") + commandLineCleanOption(qtIdent(lstContents->GetText(sel, 1))));
                     else
                         return wxT("restore: internal pgadmin error.");   // shouldn't happen!
 
                     break;
                 }
                 case PGM_TABLE:
-                    cmd.Append(wxT(" --table ") + object->GetQuotedIdentifier());
+                    cmd.Append(wxT(" --table ") + commandLineCleanOption(object->GetQuotedIdentifier()));
                     break;
                 case PGM_FUNCTION:
-                    cmd.Append(wxT(" --function ") + object->GetQuotedIdentifier());
+                    cmd.Append(wxT(" --function ") + commandLineCleanOption(object->GetQuotedIdentifier()));
                     break;
                 default:
                     break;