Quick Summary
Error code 1017 on Roblox typically indicates a version mismatch between your Roblox client and the Roblox servers. This means the version of Roblox installed on your device is outdated or incompatible.
Common Causes
- Outdated Roblox Installation: The most common cause is simply running an old version of the Roblox application.
- Corrupted Roblox Installation: Files within your Roblox installation may be damaged, preventing it from updating correctly or communicating with the servers.
- Firewall or Antivirus Interference: Your firewall or antivirus software might be blocking Roblox from updating or connecting to the necessary servers.
- Windows Updates Required: An outdated operating system can sometimes cause compatibility issues with newer versions of Roblox.
Step-by-Step Fixes
Method 1: Reinstall Roblox
Step 1: Completely uninstall Roblox from your computer. On Windows, go to Control Panel > Programs > Programs and Features, and uninstall Roblox.
Step 2: Delete any remaining Roblox folders. These are typically located in your AppData folder. To find it, press the Windows key + R, type '%appdata%', and press Enter. Look for and delete the 'Roblox' and 'Roblox Corporation' folders in both the 'Local' and 'Roaming' folders.
Step 3: Restart your computer.
Step 4: Download the latest version of Roblox from the Roblox website and reinstall it.
Method 2: Check Firewall/Antivirus Settings
Step 1: Temporarily disable your firewall and antivirus software.
Step 2: Try launching Roblox. If it works, your firewall or antivirus was the cause.
Step 3: Re-enable your firewall and antivirus.
Step 4: Add Roblox as an exception in both your firewall and antivirus settings. Refer to your firewall/antivirus documentation for specific instructions on how to add exceptions.
Method 3: Update Windows
Step 1: Press the Windows key, type 'Windows Update', and press Enter.
Step 2: Click 'Check for updates' and install any available updates. Make sure to restart your computer after installing the updates.
Method 4: Clear Browser Cache
Step 1: Clear your web browser's cache and cookies. The steps vary depending on your browser (Chrome, Firefox, Edge, etc.), but you can usually find the option in the browser settings under 'Privacy' or 'History'.
Step 2: Restart your browser and try launching Roblox again.