Installation, Upgrade, and Import Support

1203 topics in this forum

1. old WHMCS update process planning

   By Walther, December 17, 2025
   • 3 replies
   • 559 views
   • 
   • zomex
   • December 22, 2025

2. Update Error

   By hmaddy, December 1, 2025
   • 0 replies
   • 462 views
   • 
   • hmaddy
   • December 1, 2025

3. Full Support

   By romerositios, November 4, 2025
   • 2 replies
   • 432 views
   • 
   • wtools
   • November 30, 2025

4. About email verification challenge for newly register client

   By Sudipto Mahmud, November 9, 2025
   • 2 replies
   • 674 views
   • 
   • wtools
   • November 30, 2025

5. Upgrade Error

   By hmaddy, November 21, 2025
   • 2 replies
   • 500 views
   • 
   • wtools
   • November 30, 2025

6. HOW TO UPGRADE SQL FOR CPANEL

   By BABYKEY, October 28, 2025
   • 1 reply
   • 516 views
   • 
   • RadWebHosting
   • November 4, 2025

7. Update Doubts

   By hmaddy, October 24, 2025
   • 1 reply
   • 598 views
   • 
   • WHMCS SamP
   • October 26, 2025

8. Problem with upgrading WHMCS

   By georgiathomp, October 20, 2025
   • 0 replies
   • 277 views
   • 
   • georgiathomp
   • October 20, 2025

9. SupportPal -> WHMCS

   By slim, May 30, 2025
   • 8 replies
   • 2.5k views
   • 
   • AMateos
   • October 15, 2025

10. WHMCS Installation with utf8mb4 Database - Potential Issues & Best Practices

    By centos777, October 15, 2025
    • 3 replies
    • 591 views
    • 
    • centos777
    • October 15, 2025

11. which files to use to update whmcsdata/cron/cron.php

    By Madumi, September 3, 2025
    • 3 replies
    • 6.3k views
    • 
    • Madumi
    • September 7, 2025

12. Installation gives 404 after step 4

    By NECS, July 31, 2025
    • 1 reply
    • 1.1k views
    • 
    • WHMCS John
    • August 26, 2025

13. Update failed ERR 2

    By ROQ, July 21, 2025   

    • ERR 2
    • 4 replies
    • 1.4k views
    • 
    • bear
    • July 21, 2025

14. joomla WHMCS Client Login for Joomla

    By rcartists, July 15, 2025   

    • Installation Upgrade
    • upload
    • (and 1 more)

      Tagged with:

      • Installation Upgrade
      • upload
      • whmcs
    • 1 reply
    • 847 views
    • 
    • rcartists
    • July 15, 2025

15. woocommerce to whmcs

    By Muneef, May 27, 2025
    • 1 reply
    • 1.9k views
    • 
    • GOVAIO
    • June 19, 2025

16. Captcha fails on admin

    By pmtech, June 14, 2025
    • 1 reply
    • 930 views
    • 
    • pmtech
    • June 14, 2025

17. Update Failed: Files and database are already up to date-WHMCS 8.13.1

    By Sudipto Mahmud, June 11, 2025   

    • update
    • 2 replies
    • 1.1k views
    • 
    • WHMCS John
    • June 13, 2025

18. How to disabled Automatic Updater? 1 2

    By yggdrasil, October 12, 2016
    • 31 replies
    • 14.8k views
    • 
    • Adaclare, LLC
    • June 13, 2025

19. About latest security security vulnerabilities

    By vikingo, June 4, 2025
    • 4 replies
    • 2.2k views
    • 
    • bear
    • June 4, 2025

20. Why Whmcs Not Install In VPS Ubuntu

    By Muhammad Haroon, June 3, 2025
    • 1 reply
    • 992 views
    • 
    • WHMCS John
    • June 3, 2025

21. Something went wrong and we couldn't process your request

    By Negar, May 13, 2025
    • 2 replies
    • 1.2k views
    • 
    • Negar
    • May 21, 2025

22. Unable to Login as Client using version 8.13

    By Damo, May 12, 2025
    • 8 replies
    • 1.9k views
    • 
    • Saroha
    • May 19, 2025

23. Applying SSL Certificate

    By temi, March 28, 2025
    • 1 reply
    • 1.7k views
    • 
    • RadWebHosting
    • April 5, 2025

24. Lightbox at the bottom of every page

    By glenn, December 18, 2021
    • 7 replies
    • 3.5k views
    • 
    • sol2010
    • April 2, 2025

25. How to disable Local API User

    By elonmusk, March 12, 2025
    • 16 replies
    • 2.2k views
    • 
    • wsa
    • March 26, 2025