After migrating OpenCart to hosting, white screen?

Question

opencart

After transferring the site to OpenCart, the user site is just a white screen, it enters the admin panel, but the user part is just white, if you enable error display, it shows

Warning: require_once(/C:/OpenServer/domains/shop.loc/system/startup.php): failed to open stream: Invalid argument in C:\OpenServer\domains\shop.loc\index.php on line 20

Fatal error: require_once(): Failed opening required '/C:/OpenServer/domains/shop.loc/system/startup.php' (include_path='.;c:/openserver/modules/php/PHP-5.6;c:/openserver/modules/php/PHP-5.6/PEAR/pear') in C:\OpenServer\domains\shop.loc\index.php on line 20

What could be the problem

Answer 1

It's written to you.
Can't find file.
PS:
It can be assumed - is hosting Windows?

Answer 2

configs not overwritten