Major WHMCS upgrades can break custom hooks, outdated templates, or third-party modules that were not compatible. I audit what failed after the upgrade, update or patch incompatible code, fix template/theme breakage, and verify the install is stable on the new version.
Quick Fixes
Verified service · 5.0 rating
WHMCS Broken After Upgrade Fix
Upgraded WHMCS and now something is broken — hooks, theme or modules? I repair the fallout.
Fixed-price quote in 24h
14-day correction guarantee
1 year free support
What's included
Every WHMCS Broken After Upgrade Fix engagement ships with these.
- Audit hook / module / template breakage
- Patch or update incompatible code
- Stabilise install on the new version
- Fixed-price quote before any work starts
- Diagnosis + root-cause fix (not a band-aid)
- 14-day correction guarantee
- Plain-English summary of what was wrong
Business outcomes
What hosting operators report after delivery.
- A stable WHMCS on the latest version
- Custom features working again post-upgrade
Ready to talk about WHMCS Broken After Upgrade Fix?
Quick scoping call, fixed-price quote within 24 hours, no commitment.
Related services
Other WHMCS work hosting operators ask us about.
Quick Fixes
WHMCS Blank Page / White Screen Fix
Admin or client area loading totally blank? I find what is throwing the error and bring it back.
From $49
Quick FixesWHMCS Cron Not Running Fix
Invoices not generating, services not suspending or terminating? Your cron pipeline is broken — I repair it.
From $39
Quick FixesWHMCS Payment Gateway Error Fix
Customers can't pay — gateway errors, failed callbacks, or invoices not marking paid? I fix the flow.
From $59