I found the sollution!

If someone has the same problem, look at the package 'Win32::OLE::Variant'.
(Thanks to a post by 'Bill Luebkert' on 'Nabble').

He gave the next example:
use strict;
use warnings;
use Win32::OLE;
use Win32::OLE::Variant;

use constant HKEY_CURRENT_USER => 0x80000001;
use constant HKEY_LOCAL_MACHINE => 0x80000002;

my $strComputer = Win32::NodeName || '.';

my $oReg = Win32::OLE->GetObject(
  'winmgmts:{impersonationLevel=impersonate}!\\\\' . $strComputer .
  '\\root\\default:StdRegProv') or die "GetObject: " . Win32::OLE->Las
+tError();

my $path = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\HotFix\\K
+B896424";
my @names = ('', 'Backup Dir', 'Comments', 'Fix Description', 'Install
+ed',
  'Installed By', 'Installed On', 'Service Pack', 'Valid');
my @types = (VT_BSTR, VT_BSTR, VT_BSTR, VT_BSTR, VT_I4, VT_BSTR, VT_BS
+TR,
  VT_I4, VT_I4);

my $strKeyPath = $path;
for (my $ii = 0; $ii < @names; ++$ii) {

        my $strValueName = $names[$ii];

        if ($types[$ii] == VT_BSTR) {
                my $strValue = Variant (VT_BSTR|VT_BYREF, '<Not Set>')
+;
                my $ret = $oReg->GetStringValue(HKEY_LOCAL_MACHINE,
                  $strKeyPath, $strValueName, $strValue);
                $strValueName = '(Default)' if not $strValueName;
                print "1 $strValueName: '", $strValue->Value(), "'\n";
        } else {
                my $Value = Variant (VT_I4|VT_BYREF, 0);
                my $ret = $oReg->GetDWORDValue(HKEY_LOCAL_MACHINE,
                  $strKeyPath, $strValueName, $Value);
                print "2 $strValueName: '", $Value->Value(), "'\n";
        }
}

__END__

[download]

Thanks to all of you who helped me with this issue.

In reply to Re^3: Windows XP: StdRegProv by jschollen
in thread Windows XP: StdRegProv by jschollen

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