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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

142 posts matching “troubleshooting” · Clear

Troubleshooting Fix 'cURL Error 60: SSL Certificate Problem' in WordPress

WordPress plugin updates or API calls failing with cURL error 60? Fix the outdated CA bundle causing 'unable to get local issuer certificate' for good.

30 July 2026 · 6 min · 19 views
WordPress WordPress Search Not Working? Fix No Results & Broken Queries

WordPress search returning zero results or a blank page? Learn the real causes - custom post types, caching, WAF rules, broken indexes - and fix it for good.

30 July 2026 · 7 min · 13 views
Troubleshooting Broken .htaccess File: How to Find, Fix, and Rebuild It Safely

A corrupted .htaccess file can take your whole site down with no error message. Learn how to isolate it, fix common syntax mistakes, and rebuild it safely.

30 July 2026 · 6 min · 18 views
WordPress WordPress RSS Feed Broken? Fix XML Parsing Errors

WordPress RSS feed showing XML parsing errors or blank output? Learn the real causes - whitespace, debug notices, caching - and fix your feed for good.

30 July 2026 · 6 min · 12 views
Troubleshooting WooCommerce REST API 401 Unauthorized: Fix Broken Sync

WooCommerce REST API returning 401 Unauthorized and breaking your Zapier or inventory sync? Learn the real causes and how to fix API key auth for good.

29 July 2026 · 7 min · 13 views
cPanel Softaculous Auto-Update Failed? Fix Broken Script Updates

Softaculous auto-update failing or breaking your WordPress site in cPanel? Learn the real causes - quota, permissions, PHP limits - and how to fix them.

29 July 2026 · 6 min · 18 views
Troubleshooting WooCommerce Subscription Renewals Failing? The Real Fix

WooCommerce subscription renewals stuck, failing, or not charging customers? Learn the real causes-from WP-Cron to missing tokens-and how to fix each one.

29 July 2026 · 5 min · 23 views
Troubleshooting MySQL Deadlock Found: Causes and How to Fix It Fast

Getting 'Deadlock found when trying to get lock' in MySQL on WooCommerce or WordPress? Learn why it happens and how to fix and prevent it for good.

29 July 2026 · 6 min · 19 views
cPanel Addon Domain Showing the Wrong Site in cPanel? The Fix

Addon domain loading your main site, a blank 404, or an SSL warning in cPanel? Learn the real causes—DNS, document root, .htaccess—and how to fix each one fast.

29 July 2026 · 6 min · 15 views
Troubleshooting Wrong Visitor IP in cPanel Logs? Fix It Behind Cloudflare

Cloudflare showing the same IP for every visitor in cPanel logs, AWStats, or WordPress? Learn how to restore the real client IP and stop bad Fail2Ban bans.

29 July 2026 · 5 min · 24 views
Troubleshooting WooCommerce HPOS Migration Errors and How to Fix Them

Enabling WooCommerce HPOS and now orders are missing, duplicated, or stuck syncing? Here is what causes it and how to fix it on cPanel or VPS hosting.

29 July 2026 · 6 min · 17 views
Troubleshooting PHP Execution Timeout: Fix Failed Large File Imports

WooCommerce import or database restore stalling with 'maximum execution time exceeded'? Learn which of four timeout layers is really at fault and how to fix it.

29 July 2026 · 7 min · 18 views
Troubleshooting PayPal IPN Not Received: Fix WooCommerce Orders Stuck Unpaid

PayPal IPN silently failing in WooCommerce? Here's why orders stay unpaid despite successful payment, and exactly how to diagnose and fix IPN delivery.

29 July 2026 · 6 min · 20 views
Troubleshooting WooCommerce Stripe Checkout Blocked by 3D Secure (SCA)

WooCommerce Stripe payments failing at 3D Secure authentication? Here is exactly why SCA checkout breaks and how to fix each cause, step by step.

29 July 2026 · 6 min · 23 views
Troubleshooting WooCommerce Order Stuck on Pending After Razorpay Payment

WooCommerce order stuck on 'Pending payment' after a successful Razorpay charge? Here's why the webhook silently fails and exactly how to fix it fast.

29 July 2026 · 6 min · 10 views
Troubleshooting 422 Unprocessable Entity Error: Causes and How to Fix It

Getting a 422 Unprocessable Entity error on WordPress, WooCommerce, or your API? Learn exactly what causes it and how to diagnose and fix it fast.

29 July 2026 · 8 min · 21 views
Troubleshooting Outlook Autodiscover Not Working? Fix Email Auto-Setup in cPanel

Outlook or Thunderbird stuck on 'Searching for your mail server settings'? Fix cPanel autodiscover and autoconfig so mail clients set up email automatically.

29 July 2026 · 6 min · 18 views
Troubleshooting SSL Validation Failing? Fix Blocked .well-known/acme-challenge

AutoSSL or Certbot can't validate your domain? Learn why .well-known/acme-challenge gets blocked and how to fix it on cPanel, Nginx, and Apache.

29 July 2026 · 6 min · 29 views
Troubleshooting Headers Already Sent Error: Causes and How to Fix It

PHP throwing 'headers already sent'? Learn the real causes -- BOM, stray whitespace, early output -- and how to fix it for good in WordPress or cPanel.

29 July 2026 · 7 min · 15 views
Troubleshooting cPanel 'Relay Access Denied': Why Your Server Won't Send Mail

cPanel Exim rejecting outbound mail with 'relay access denied'? Learn why it happens and how to fix envelope sender, SMTP auth, and ACL issues.

28 July 2026 · 6 min · 14 views
Troubleshooting cPanel Webmail Login Failed or Blank Screen? The Real Fix

cPanel Roundcube webmail stuck blank or rejecting your password? Learn the real causes — quota, cache, login format — and fix each one step by step.

28 July 2026 · 6 min · 24 views
Troubleshooting WordPress Favicon Not Showing? Fix Cache & Icon Conflicts

Favicon stuck showing an old or blank icon in WordPress? Learn the real causes: browser cache, CDN, and Site Icon conflicts, and fix each one step by step.

28 July 2026 · 7 min · 20 views
Troubleshooting PHP Deprecated Warnings Cluttering Your Site? Here's the Fix

Site suddenly showing 'Deprecated:' or 'Warning:' text above your header after a PHP upgrade? Here's why it happens and how to fix it properly in cPanel.

28 July 2026 · 6 min · 16 views
Troubleshooting 403 Forbidden Error: Causes and How to Fix It

Getting a 403 Forbidden error? Learn every real cause - ModSecurity, hotlink protection, IP blocks, CDN rules, permissions - and how to fix each one.

28 July 2026 · 7 min · 26 views