Upgrade Apache
Test instance runs Apache 2.4.65
Download latest Apache 2.4 version
Go to https://www.apachelounge.com/download/ and download latest version of Apache 2.4 (win64 VS17) as a ZIP archive
Copy files from apache-old
apache-oldcurl-ca-bundle.crt
Copy C:\xampp\apache-old\bin\curl-ca-bundle.crt to C:\xampp\apache\bin\curl-ca-bundle.crt. (Alternatively download latest from https://curl.se/docs/caextract.html and rename to curl-ca-bundle.crt)
httpd-xampp.conf
Copy C:\xampp\apache-old\conf\extra\httpd-xampp.conf to C:\xampp\apache\conf\extra\httpd-xampp.conf
Compare and adjust configuration
Compare files in C:\xampp\apache\conf\ with C:\xampp\apache-old\conf\ and set values in C:\xampp\apache\conf\ accordingly.
Especially four files need special attention:
apache\conf\httpd.conf
apache\conf\extra\httpd-ssl.conf
apache\conf\extra\http-default.conf
Timeout 300
apache\conf\extra\httpd-vhosts.conf
Comment not needed VirtualHosts
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