WordPress updates are supposed to make things better. Occasionally, they have other ideas. You might update a plugin and suddenly find that part of the layout has disappeared, WordPress itself might update overnight and leave something behaving strangely, or you might click “update all” and return five minutes later to an error message you have absolutely no interest in understanding.
The good news is that an update going wrong does not normally mean your website has disappeared. More often, one part of the site has become incompatible with another. The most useful thing you can do at this stage is work out what changed before you start making more changes.
Start by working out what actually broke
Open the website in a private or incognito window and have a proper look around. Is the whole website unavailable, or is it one page or feature? Can you still access WordPress admin? Are you seeing a critical error, a completely blank screen, or does the website simply look wrong?
If the site is working but the styling looks odd, start with the simple things. Clear your browser cache and, if you have access to it, the website or server cache too. It is quite possible for an update to complete successfully while your browser is still trying to display an older collection of CSS or JavaScript files.
If the problem remains, think about what happened immediately beforehand. A plugin update, theme update, WordPress update, PHP change or newly installed piece of software can all give you an important clue. The closer you can get to the last known change, the easier the problem usually is to isolate.
Check your email before you start digging around
If WordPress has detected a serious PHP error, it may have sent an automated message to the website administrator. That email can sometimes identify the plugin or theme involved and may include a Recovery Mode link that lets you access WordPress without the problematic component operating normally.
It is worth checking your inbox and spam folder before doing anything more invasive. It will not always solve the problem for you, but it can save a lot of guesswork.
Try not to fix five things at once
When a website is down, the natural instinct is to click everything until something starts working. We would generally resist that. Deactivating several plugins, deleting folders, updating more components or restoring a backup all at the same time makes it much harder to understand what actually caused the problem. If the site is commercially important, make sure a recent backup exists before doing anything significant. Where possible, troubleshooting should also be done on a staging version of the website rather than directly on the live site.
If one plugin was updated immediately before the problem started, rolling that individual plugin back to the previous working version can sometimes be a sensible temporary fix. Restoring the entire website is a much bigger decision, particularly on WooCommerce, membership or booking sites where an old database could overwrite recent orders, customers or enquiries.
Why does an update sometimes break WordPress?
A WordPress website is not one single piece of software. It is normally a combination of WordPress itself, your theme, a collection of plugins, PHP, JavaScript, a database and sometimes several third-party systems all working together. Most of the time those pieces cooperate without any drama. Occasionally, an update changes something another part of the site was relying on. That might be a plugin conflict, outdated theme code, a PHP compatibility problem, custom functionality, a failed update or something much simpler such as caching.
This is why the answer is rarely to immediately rebuild the website. The first job is to isolate what stopped cooperating and work out whether it can be repaired cleanly.
Know when to stop poking it
If you are comfortable managing WordPress, checking caches and reviewing recent changes is completely reasonable. We would become more cautious once the next step involves editing the database, changing PHP files, deleting plugin folders or pasting unfamiliar code into wp-config.php.
That is particularly true if the website generates enquiries, takes payments or plays an important role in the day-to-day running of the business. A small problem is normally easier to fix while it is still only one small problem.
If you are not sure what broke, you do not need to diagnose it before asking for help. Send us the website address, tell us what happened and, if you know it, what changed immediately beforehand. We can take a look, explain what we think is happening and help you work out the sensible next step.
