6 Ways to Fix the Roblox Code 279 Error on Windows PCs

Many Roblox players have reported error 279 occurs when trying to join games. A player reported that issue on Reddit as follows: “I am having problems with Roblox right now. Every time I try joining a game, error code 279 with ID 17 appears on the loading screen.” The 279 error message says, “Disconnected… Failed to connect to game error code 279.” As a result, Roblox players can’t join any games. These are some ways you can fix Roblox code 279 on Windows PCs.

Read also: 8 Ways to Fix Roblox not Launching on a Windows PC

Reset Winsock and Flush DNS

Resetting Winsock and flushing the Domain Name System cache can resolve networking issues causing error code 279. You can apply this relatively straightforward potential resolution by executing two networking commands as follows.

1. Open the Windows file finder tool by clicking the taskbar search box or the magnifying glass icon.
2. Type in cmd to find the required Command Prompt app.
3. Right-click the Command Prompt app shown in the search tool to select its Run as administrator context menu option.
4. Type ipconfig /flushdns inside the Command Prompt and hit Enter.
   
   

   The ipconfig /flushdns command

5. Input netsch winsock and press the Return key to reset Winsock.

Clear Browser Data

Clearing web browser data is a potential solution for the Roblox code 279 error that’s worked for some players. All browsers have options for clearing their data. This is how you clear Google Chrome’s data to apply this resolution.

1. Open the Chrome web browser.
2. Press the Ctrl + Shift + Del key combination in Chrome.
3. Select the Browsing history, Cookies, and Cached images checkboxes on the Basic tab.
4. Click All time within the Time Range drop-down menu.
   
   

   The Clear browsing data options

5. Press the Clear data button.

Set a More Reliable DNS Server

1. Open Run (use the Windows logo + R hotkey to access it), type ncpa.cpl into the Open box, and press OK.
2. Double-click the network adapter for your internet and press the Properties button.
3. Click Properties with Internet Protocol Version 4 selected.
4. Next, click on the radio button for the Use the following DNS server addresses option.
5. Enter the Cloudflare 1.1.1.1 address in the Preferred DNS box.
6. Next, input 1.0.0.1 inside the Alternative DNS server address box.
   
   

   The Internet Protocol Version 4 window

7. Click OK to apply the new IPv4 configuration settings.
8. Select to restart your Windows PC.

Temporarily Turn Off Windows Defender

Players who’ve fixed the Roblox code 279 error confirm turning off Windows Defender Firewall can resolve this issue. Doing this ensures the Windows firewall isn’t blocking Roblox’s server connection. Go through the steps on this Microsoft help page to disable the Windows firewall before playing Roblox.

The settings for disabling Windows Defender Firewall

Windows Defender Firewall isn’t necessarily the only one that can cause Roblox connection issues. There are many third-party firewalls incorporated within security apps. If you’ve installed a third-party security app, disable any firewall it includes before playing Roblox.

Disable Browser Extensions

Some web browser extensions can cause issues for Roblox server connections. Ad-blocking add-ons that block ads are perhaps the most problematic. So, disable all extensions before you try to play Roblox via a web browser. This is how you can turn off Chrome’s extensions.

1. Run the Chrome web browser.
2. Input chrome://extensions/ in the browser’s address bar and press Enter.
   
   

   The extension options in Google Chrome

3. Click the toggle switches for all enabled extensions to turn them off.
4. Go to the Roblox website and try playing with all extensions disabled.

Reinstall Roblox

If the resolutions above don’t resolve the Roblox code 279 error on your PC, try reinstalling the software for the game. Doing this could resolve technical issues with the Roblox software causing error 279. This Roblox help page provides full guidelines for how players can reinstall the game’s software.

The Apps & features tab

Other Possible Ways to Fix the Roblox Code 279 Error

Players can also try fixing the Roblox code 279 error with other potential resolutions. These are some additional fixes that could be worth a try:

• Try using a different compatible web browser for playing Roblox.
• Run the Windows Network Adapter troubleshooter to resolve connection issues.
• Set the Roblox Player software to run as an administrator with fullscreen optimizations disabled.
• Restore your web browser to its default configuration by selecting its Reset settings option. This Google help page includes instructions for resetting Chrome.

Many players have fixed the Roblox code 279 error by applying the resolutions above. So, those fixes will usually resolve that connection issue. However, contact the Roblox support service from this webpage if you still need more fixes for the code 279 error.