Detail on how to customise the login page of the lastest version of PRTG.
Default Login Page
File Path for CSS customisations
"C:\Program Files (x86)\PRTG Network Monitor\webroot\css\styles_custom_v2.css"
CSS Customisation
/*
// You can use this file to modify the appearance of the PRTG web interface
// as described in https://kb.paessler.com/en/topic/33
//
// Please note that you are using an unsupported and deprecated feature.
// Your changes will be broken or removed with future PRTG updates.
//
// If you modify this file, PLEASE LET US KNOW what you're changing and why!
// Just drop an email to support@paessler.com and help us understand your
// needs. Thank you!
*/
.newsfeed {display:none!important; visibility: hidden; }
.footer {display:none!important; visibility: hidden; }
.logo-box {display:none!important; visibility: hidden; }
.cell-banner {display:none!important; visibility: hidden; }
.downloadclients {display:none!important; visibility: hidden; }
.forgotpw {display:none!important; visibility: hidden; }
Save the file and refresh the webpage for the changes to take effect.
After CSS Customisation
Tested against version 17.4.35.3441
Reference
How can I re-brand and customize the PRTG web interface using CSS and Javascript?