How to Fix Roblox Error Code 277 and 279 on Your PC or Phone

You are right in the middle of a great Roblox game. Your team is winning. Then, the game stops. A big gray box pops up on your screen. You see a message about losing your connection. It might say error code 277 or error code 279. This is extremely annoying. It happens to almost every Roblox player at some point.

You do not have to give up on your favorite games. These errors are common, but they are easy to fix. I will show you how to solve these problems quickly. If you want more helpful tips about gaming setups, check out this tech tips blog for useful guides.

In this post, we will look at why these errors happen. Then, we will go through the exact steps to fix them. You will be back to playing your games in no time.

Why Do You See Error Code 277 and 279?

Both of these errors are connection issues. They mean your device cannot talk to the Roblox servers. Sometimes the problem is on your end. Other times, the Roblox servers are having a bad day.

Roblox uses a lot of data. Every time you move, jump, or chat, your device sends small packages of data. If these packages get lost on the way, the game disconnects. This is what we call packet loss. It is like a mail truck getting lost on the road.

Error code 277 usually means your connection was cut off. It often happens on mobile phones or Wi-Fi. It means the game sent data, but your device did not get it.

Error code 279 is slightly different. It means your device could not connect to the game server at all. This often happens because of a firewall. It can also happen when a browser extension blocks the connection.

Sometimes your local game files get messed up. This is called corrupt cache. When these files get dirty, the game stops working. Let us look at how to clean things up.

How to Fix Roblox Error Code 277

This error can happen on PC, Mac, or mobile devices. Here are the best ways to fix it. Try these steps one by one.

Clear Your Roblox Cache Files on PC

Your computer saves temporary files to load games faster. Sometimes these files get broken. Clearing them will force the game to download fresh files. This often fixes error 277.

First, close Roblox completely. Press the Windows key and R key at the same time. This opens the Run box on your screen. Type "%localappdata%" in the box and press Enter.

A folder will open up. Look for the folder named Roblox. Open it and delete everything inside. Do not worry. This will not delete your game progress. It only deletes temporary files.

Restart your computer after you delete the files. Open Roblox again. Try to join a game and see if it works.

Clear Your Roblox Cache Files on Android and iOS

If you play on a phone, you can still get error 277. The fix is similar. You need to clear the app data.

On Android, open your settings. Go to Apps and find Roblox. Tap on Storage. Tap the button that says Clear Cache. Do not tap Clear Data unless you know your password. Clear Data will log you out of your account.

On iPhone, you cannot clear cache easily. You have to offload the app. Open your iPhone settings. Go to General and tap iPhone Storage. Find Roblox and tap Offload App. This keeps your data but deletes the app files. Reinstall the app after this.

Update Your Device and the Roblox App

An outdated app can cause connection issues. Make sure you have the newest version of Roblox. If you play on a phone, visit your app store. Check for any updates.

If you play on a PC, you might need to update your Windows system. Outdated network drivers can cause this error. Go to your settings and check for updates. Installing them can solve your connection problems.

Use the Compatibility Troubleshooter

Sometimes Roblox has trouble running on newer versions of Windows. You can use a built-in tool to fix this. Find the Roblox icon on your desktop. Right click on it and choose Properties.

Click on the Compatibility tab at the top. Click the button that says Run compatibility troubleshooter. Follow the steps on your screen. The tool will find the best settings for your PC.

Apply the new settings. Try to run the game again. This helps many players who use older computers.

How to Fix Roblox Error Code 279

Error 279 is usually about blocked connections. Your computer or your router is stopping the game from loading. Here is how you can open the path.

Turn Off Your Windows Firewall Temporarily

Your firewall keeps your computer safe. But sometimes it blocks good things by mistake. It might think Roblox is a security risk.

You can turn it off to test this. Open your Windows settings. Go to Update and Security. Then click on Windows Security.

Click on Firewall and Network Protection. Turn off the firewall for private networks. Try to join your Roblox game now.

If the game works, you know the firewall was the problem. Do not leave your firewall turned off. Add Roblox to the allowed apps list instead. Then turn your firewall back on.

Change Your DNS Settings

Your internet service provider has a DNS server. Sometimes this server is slow or broken. Switching to a public DNS can fix your connection. Google has a free DNS that is very fast.

Open your control panel on your PC. Go to Network and Internet. Click on Network and Sharing Center. Then click on Change adapter settings.

Right click on your internet connection. Choose Properties. Click on Internet Protocol Version 4. Then click the Properties button.

Choose the option to use specific DNS server addresses. Type 8.8.8.8 in the first box. Type 8.8.4.4 in the second box. Click OK to save.

This will route your internet through Google's servers. It is safe and often makes your games load much faster. For more detailed steps on network fixes, check out our guide on fixing network lag in online games.

Disable Your Browser Extensions

Do you use ad blockers? These extensions can stop Roblox from loading properly. They block scripts that the game needs to run.

Open your browser settings. Go to your extensions page. Turn off all ad blockers and script blockers. Try to play Roblox again.

If the game works, you can turn your extensions back on. Just add Roblox to their whitelist. This tells the extension to leave Roblox alone.

Try a Different Web Browser

Sometimes your browser itself is the problem. If you use Google Chrome, try using Microsoft Edge or Firefox. Some browsers handle game scripts better than others.

Log in to your Roblox account on the new browser. Try to launch the game. If it works, you might need to reset your main browser settings.

How to Reinstall Roblox the Right Way

If none of the quick fixes work, you might have a bad installation. A simple uninstall does not always clean everything. You need to do a clean install.

First, uninstall Roblox from your computer. Go to your control panel and click on Uninstall a program. Find Roblox and click uninstall.

Next, you must delete the leftover folders. Open the Run box again by pressing Windows key and R. Type "%localappdata%" and press Enter.

Find the Roblox folder and delete it. This removes any bad files that the uninstaller missed.

Now go to the official Roblox website. Log in and click play on any game. The site will ask you to download the game launcher. Download it and install it. This gives you a fresh start.

Fixing Roblox Error Code 273 and Other Common Issues

There are other errors that can kick you out of your game. Let us look at error code 273. This is another very common issue.

What is Error Code 273?

This error means your account is logged in somewhere else. It happens if you try to play on two devices at the same time. For example, if you play on your phone while your PC is still in a game.

It can also happen if your internet drops for a second. The server thinks you are still in the game. When you try to join again, it thinks you are a second player.

Wait for a few minutes before you try to join again. This gives the server time to realize you left. If this keeps happening, change your password. Someone else might have your login details.

How to Fix Error Code 267

Error code 267 means you were kicked from the game. This is usually done by a game admin or an automated script. It is not a connection issue.

Sometimes the game thinks you are cheating. This can happen if you have other programs open in the background. Close all other apps before you start Roblox.

If you did not cheat, the kick might be a mistake. Try joining a different server. You can also wait for a few hours. The temporary ban will usually expire.

General Internet Tips for Roblox Players

A bad internet connection is the main cause of Roblox errors. You can do a few simple things to make your connection better. These tips work for all games.

Use an Ethernet Cable

Wi-Fi is convenient but it is not stable. Walls and other devices can block the signal. This causes packet loss. Packet loss leads to errors like 277 and 279.

If you play on a PC, use a wired connection. Connect an ethernet cable from your router to your computer. This gives you a fast and steady stream of data. You will see fewer connection drops.

Flush Your DNS Cache

Your computer stores DNS information in its own cache. If this cache gets old, you will get connection errors. You can clear this cache with a simple command.

Press the Windows key and type "cmd" in the search box. Right click on Command Prompt and choose Run as administrator.

Type "ipconfig /flushdns" in the black window and press Enter. You will see a message saying the cache was flushed. This helps your PC find the best path to Roblox servers.

Restart Your Router

Routers are like small computers. They have memory that can get full over time. When this happens, your internet slows down.

Unplug your router from the wall. Wait for thirty seconds. Plug it back in and wait for the lights to turn green. This simple step can fix many connection errors.

Close Background Apps

Other apps on your device use internet bandwidth. Downloads, video streams, and chat apps can slow your game. Close these apps before you start playing.

Open your task manager on PC. See what is using your network. End those tasks to give all your bandwidth to Roblox.

How to Check if Roblox Servers Are Down

Sometimes you cannot fix the error because the problem is not yours. Roblox has millions of players. Sometimes their servers crash.

Before you change your settings, check the server status. You can visit the official status website. It is status. roblox. com. This site shows you if there are active problems.

You can also check community sites like Downdetector. If you see thousands of reports, you know the servers are down. In this case, you just have to wait. The developers will fix it soon.

Keeping Your Game Running Smoothly

Roblox errors can be frustrating. But most of them have simple fixes. Usually, a quick router restart or cache clear will do the trick.

Make sure you keep your device updated. Clean your temporary files once a month. This keeps your computer fast and healthy.

Which error do you see the most? Did these steps help you get back into the game? Try these fixes next time you see a connection error.