An Error Occurred While Starting Roblox: 5 Ways to Fix It

Chances are that there are some problems with your connection

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
Fact checked by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Roblox is a popular online experience where players can enjoy millions of adventures, mini-games, and worlds created by other people.
  • You can download Roblox from the Microsoft Store and join the millions of players worldwide. However, if you are having trouble launching Roblox, then have a look at our guide to fixing it.
  • Startup errors happen both for the web and desktop applications and are generally linked to your Internet connection.
Fix an error occurred while starting roblox
True gamers use the best gaming browser: Opera GXOpera GX is a special version of the famous Opera browser that is built specifically to fulfill gamer's needs. Packed with unique features, Opera GX will help you get the most out of gaming and browsing everyday:

  • CPU, RAM and Network limiter with hot tab killer
  • Integrated with Twitch, Discord, Instagram, Twitter and Messengers directly
  • Built-in sound controls and custom music
  • Custom color themes by Razer Chroma and force dark pages
  • Free VPN and Ad blocker
  • Download Opera GX

If you too are confronted with the error message and wonder how to fix the An error occurred while starting Roblox issue, chances are that there are some problems with your connection.

We made sure to find the most common culprits that cause this error and comprised the following easy-to-follow guide to help you overcome it.

Roblox is a game creation platform with which you can design your own games or play games designed by other Roblox users.

Why does Roblox keep saying an error occurred while starting?

This is a common error message that Roblox players get when they have a poor Internet connection. It can be caused by problems with your ISP, but also network configuration issues.

Many users report having this problem after changing their router settings. We can only conclude that they may have mistakenly blocked access to Roblox, in which case a simple reset to default should help.

On the same note, it is also possible that your Proxy settings block the app, or your Internet Protocol Suite (TCP/IP) is corrupt.

It is also possible that the Roblox servers are down, in which case you will just have to be patient until they solve the problem. You can check the Roblox Downdetector page to see if there’s currently any outage.

Third-party applications such as antiviruses or firewalls may also interfere, so make sure you check and adjust your security settings.

Some error messages that you may encounter in this case are listed below:

  • Details httpsendrequest failed
  • Studio details failed to create key
  • Studio failed to deploy
  • Details createprocess
  • Unable to open file for writing
  • An error occurred while starting Roblox the requested operation requires elevation
  • Details version did not match
  • Studio failed to create key
  • Details unable to rename download file
  • Access is denied
  • Details error opening
  • Details version did not match

The solutions listed below would work in all these cases as well.

Quick Tip:

Playing Roblox on a dedicated gaming browser like Opera GX can significantly influence the gameplay. Even if the troubleshooting steps below may help you resolve the issue, consider switching to Opera GX.

Plus, with Discord and Twitch integration, you can remain in touch with your gaming friends. The ad-blocker will stop any intrusive ads and you’ll be protected with the integrated VPN.

Opera GX

A reliable browser for Roblox that can work smoothly and can be customized.

How to fix Roblox start errors?

  1. Reset your router
  2. Deselect the Proxy Server Setting
  3. Reset TCP-IP with Netsh
  4. Turn off antivirus software
  5. Add Roblox to the Windows Firewall’s Allowed Apps list
  6. Reinstall Roblox

1. Reset your router

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

Resetting the router is a straightforward fix that some Roblox users have confirmed to work.

As Roblox requires a net connection to run, it’s not entirely surprising that a router reset can fix the An error occurred while starting Roblox studio unable to open file for writing error message. So press the reset button on your router to reset it.

2. Deselect the Proxy Server Setting

  1. Some Roblox users have got Roblox started by deselecting the proxy server setting in Windows. To deselect that option in Windows 10, press Cortana’s Type here to search button on the taskbar.
  2. Enter the keyword Internet options to open the Network status window below.
  3. Select the Connections tab.
  4. Press the LAN settings button.
  5. Deselect the Use a proxy server for your LAN option if it’s selected.
  6. Then press the OK button to close the window

3. Reset TCP-IP with Netsh

  1. Type cmd in the taskbar and open the Command Prompt.
  2. Enter the following command: netsh int ip reset c:esetlo.txt and press Enter. error occurred while starting Roblox
  3. Wait for the Command Prompt to finish and restart your PC.

This error can also be caused by a corrupt Internet Protocol Suite (commonly known as TCP/IP). Use the command above and check if the An error occurred trying to launch the experience. Please try again later issue is fixed.

4. Turn off antivirus software

As mentioned, Roblox needs a connection to start. So, it might be the case that antivirus software is blocking Roblox. Switching anti-virus software off will ensure that doesn’t happen.

Numerous anti-virus utilities include disabling options on their system tray context menus that you can select to temporarily turn off the antivirus software.

Alternatively, you can certainly select to disable most antivirus packages via their primary windows. Open the antivirus utility’s main window and browse through its settings menu, which will probably include a disable or a turn-off option.

Once done, verify if the Roblox error 0x80072f06 is resolved. If not, head to the next method.

5. Add Roblox to the Windows Firewall’s Allowed Apps list

Note icon
First, note that you’ll need to modify the Windows Defender Firewall settings within an admin account. So log in to an admin account if required.
  1. Type Windows Defender Firewall in the taskbar search box and open the panel.
  2. Select Allow an app through Windows Defender Firewall to open the window in the shot directly below.
  3. Press the Change settings button.
  4. Press the Allow another app button to open the Add app window.
  5. Click Browse and select to add Roblox.
  6. Press the Add button to add Roblox to the apps list.
  7. Make sure you’ve selected both Roblox’s checkboxes on the allowed apps list.
  8. Then click the OK option.

The Roblox error occurred while starting error might also be due to Windows Defender Firewall. Some users have fixed the issue by adding Roblox to the Windows Defender Firewall’s allowed apps list.

6. Reinstall Roblox

  1. Type add or remove in the taskbar to open the Add or Remove Programs settings defender won't scan on Windows 10 11
  2. Locate Roblox, select it, and then click the Uninstall button.

Wait for the process to complete and reboot our PC.

Reinstalling Roblox can also fix a few of its error messages. The app may have become corrupt over time, so a fresh reinstall can overcome that.

If you want to make sure all files related to Roblox are gone, you can use a  dedicated uninstaller software that will find and delete all registry entries and other junk files.

  1. To reinstall the application, open the Microsoft Store app and search for Roblox.error occurred while starting Roblox
  2. Click on it and select Install. Wait for the process to complete and try to launch it again.error occurred while starting Roblox

If you have other problems with the game, you can check our more in depth-guide that helps you fix common Roblox errors.

Also, find out what to do if Roblox was not able to update on Windows and Mac.

Share your experience of Roblox and what you love the most about it, in the comments section below.

This article covers:Topics: