problem during installation on windows - error http 500

hi, while trying to install SuiteCRM opening link:
http://localhost/SuiteCrm/install.php
I get HTTP ERROR 500

I’m running on Windows 10 64, Apache 2.4, PHP7 and Mysql.
Apache runs fine and php too.

I have this on the log and cannot really undersatnd the problem:

[Mon Oct 16 20:26:07.417414 2017] [php7:error] [pid 4216:tid 1156] [client ::1:55667] PHP Fatal error: require_once(): Failed opening required ‘modules/Trackers/BreadCrumbStack.php’ (include_path=‘C:\Apache24\htdocs\SuiteCRM\include\HTMLPurifier/standalone;C:\Apache24\htdocs\SuiteCRM\include/…;.;C:\php\pear’) in C:\Apache24\htdocs\SuiteCRM\include\entryPoint.php on line 123

can somebody help?

thanks

Giulia

Hi

do you have that file in your system?

modules/Trackers/BreadCrumbStack.php

and are the operating system permissions allowing the web server to read it?