Try
CProcess->PrintProcessInfo("perl.exe");
eval 'use XML::Simple';
CProcess->PrintProcessInfo("perl.exe");
eval 'no XML::Simple';
CProcess->PrintProcessInfo("perl.exe");
my $xs = new XML::Simple();
CProcess->PrintProcessInfo("perl.exe");
my $root= $xs->XMLin('D:\xTools\test\xmltest.xml');
CProcess->PrintProcessInfo("perl.exe");
undef $xs;
CProcess->PrintProcessInfo("perl.exe");
undef $root;
CProcess->PrintProcessInfo("perl.exe");
print "\n##########\n";
my $xs = new XML::Simple();
CProcess->PrintProcessInfo("perl.exe");
my $root= $xs->XMLin('D:\xTools\test\xmltest.xml');
CProcess->PrintProcessInfo("perl.exe");
undef $xs;
CProcess->PrintProcessInfo("perl.exe");
undef $root;
CProcess->PrintProcessInfo("perl.exe");