email search, all folders never end and cant stop either

When I search a mail content or subject whatever with all accounts fields enabled the search runs endlessly and even can not stop it by pressing stop button in the tool bar always I have to restart the programme.

Pleases help.

Regards
Manjula

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: evolution 2.32.2-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Fri Jul 15 09:02:44 2011
ExecutablePath: /usr/bin/evolution
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
SourcePackage: evolution
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
 (<unknown>:1548): dee-WARNING **: Transaction from com.canonical.Unity.ApplicationsPlace.SectionsModel is in the past. Ignoring transaction.
 (<unknown>:1548): dee-WARNING **: Transaction from com.canonical.Unity.ApplicationsPlace.GroupsModel is in the past. Ignoring transaction.