Ubuntu is not working after dualboot instll with xp

[Ruud Linssen]

Binary package hint: debconf

I work with XP and try to make a dual-boot with Ubuntu. It does'nt work. There is noGrub loading starting. But XP starts automaticli, without going to the dualboot screen.
I used Ububtu 8-10 I386
When i am in Ubuntu while using the CD to startup, there are lots of crashreports.

ProblemType: Crash
Architecture: i386
Disassembly: 0xb7cd21f0:
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/debconf-communicate
InterpreterPath: /usr/bin/perl
Package: debconf 1.5.23ubuntu2
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/perl -w /usr/bin/debconf-communicate -fnoninteractive ubiquity
ProcEnviron:
 LANGUAGE=nl_NL.UTF-8
 PATH=/usr/lib/ubiquity/compat:/sbin:/bin:/usr/sbin:/usr/bin
 LANG=nl_NL.UTF-8
Signal: 7
SourcePackage: debconf
Stacktrace:
 #0 0xb7cd21f0 in ?? ()
 #1 0x080b22e9 in Perl_runops_standard ()
 #2 0x080b0750 in perl_run ()
 #3 0x08063ebd in main ()
StacktraceTop:
 ?? ()
 Perl_runops_standard ()
 perl_run ()
 main ()
Title: debconf-communicate crashed with signal 7 in Perl_runops_standard()
Uname: Linux 2.6.27-7-generic i686
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:XS_IO__Handle_flush () from /usr/lib/perl/5.10/auto/IO/IO.so
Perl_pp_entersub ()
?? ()
perl_parse ()
main ()

[dino99 (9d9)]

This version has died long ago; no more supported