I can add the following data (numbered by the list of questions you pointed at):
1 Windows 10 Home, version 1909
2 WAMP Server 3.1.7
3 Apache2.4.37
4 PHP 7.2.14
5 MySQL 5.7.24
5a MariaDB 10.3.12
6 Wampserver Icon is green (9 sites function fully normal in processing PHP)
There is no entry of problems in the php_error.log
7 The hosts file contains:
127.0.0.1 schriftlez
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