How to Fix Path of Exile 2 Unable to Deserialise Packet Error
Our guide today aims to explain to you How to Fix Path of Exile 2 Unable to Deserialise Packet Error.
The "Unable to Deserialise Packet" issue has driven many players of Path of Exile 2 to pull their hair out. From nowhere, this problem started manifesting itself and cutting adventures short in-game. There is nothing truly fun about a game that gives you technical difficulties in the middle, which is why we're here to help make sense of what's happening and how you can fix it.
The "Unable to deserialise packet with PID 18516" issue caused desktop crashes in Path of Exile 2, especially during map loading. This problem, most likely relating to a server or network issue in communication, makes the game unable to handle some of the data packets. Fascinatingly, Path of Exile 1 had similar deserialization issues. By now, you are probably wondering if there is a fix, right? Below is a detailed explanation of it.
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The "Unable to Deserialise Packet" issue has driven many players of Path of Exile 2 to pull their hair out. From nowhere, this problem started manifesting itself and cutting adventures short in-game. There is nothing truly fun about a game that gives you technical difficulties in the middle, which is why we're here to help make sense of what's happening and how you can fix it.
The "Unable to deserialise packet with PID 18516" issue caused desktop crashes in Path of Exile 2, especially during map loading. This problem, most likely relating to a server or network issue in communication, makes the game unable to handle some of the data packets. Fascinatingly, Path of Exile 1 had similar deserialization issues. By now, you are probably wondering if there is a fix, right? Below is a detailed explanation of it.
How to Fix Path of Exile 2 Unable to Deserialise Packet Error?
The "Unable to deserialise packet" issue in Path of Exile 2 has not been officially addressed or patched at the time of writing this article. However, several users in various online chats and forums have suggested ways through which the impact of the issue can be minimized. We have rounded up those fixes here; try them out to see if they work for you! This will save you the bother of digging through numerous threads!
Standard Checks
Perform a system restore, launch the game as an administrator, and also check the game files prior to attempting the more specific solution presented below. First, create a system restore point, and after rebooting your PC, right-click the game exe and choose run as admin:. You can then check after making sure whether Steam can verify the game files through the Steam library by right-clicking the game, then selecting Properties, and finally going to the Installed Files tab. After you've checked, make sure the problem still persists. If so, check if the following fixes it.
Protective software
Checks can be made to ensure that antivirus/firewall software is not interfering. If you have something similar to Malwarebytes, you may want to include the game in its exception list. For troubleshooting purposes even if the game folder is listed in the allow list, please try disabling your antivirus and firewall for some time and check.
Internet Connectivity
First of all, to fix the "Unable to deserialize packet" error in Path of Exile 2, make sure that your internet connection is stable. If you're currently connected over Wi-Fi, switch to an Ethernet connection instead; it's more reliable. If you can, try connecting to a different network to see if the problem is network-specific. If none of these solutions work, then you will need to contact your ISP regarding issues with packet loss or connectivity that may be causing the problem with data transmission from GGG's servers.
VPN and DNS
A virtual private network or a change to your DNS may help with the Path of Exile 2 Unable to deserialize packet problem, which relates to your network. Install a VPN if you don't use one habitually, then try a few different regions to test whether this can resolve your situation. You may also want to consider switching to faster or more reliable DNS, such as Google's, which is 8.8.8.8 and 8.8.4.4, or Cloudflare with 1.1.1.1 and 1.0.0.1, in case of packet loss or low connection quality. To do this, go to the taskbar, right-click the network icon, click "Open Network & Internet Settings," then click "Change adapter settings." Right-click your active network connection in the "Properties" menu and select "Internet Protocol Version 4 (TCP/IPv4)." Click "Use the following DNS server addresses" and enter the DNS settings provided.
Reinstall or Update
Keep in mind that there is always a need to use the latest versions of your game, GPU drivers, and Windows. There are a few ways to keep it up to date: through your platform update system, visiting the website of a manufacturer to get the newest GPU drivers, or by checking Windows for updates in your system settings. Now, with all of these applications updated, try to run the game and see if the problem is still there. If it is, you may want to consider reinstalling the game.
This is all you need to know about How to Fix Path of Exile 2 Unable to Deserialise Packet Error, just apply these fixes and you are good to go.
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