For router error, restarting routers or switching the network can help. However, the current outage seemingly stems from an outage on Discord's server, and a fix will come from their end.

So, let’s look at some ways to fix things. How to fix Not a valid Win32 application error? The first move is to delete the program and re-download it again from the source.

If using Windows Update Troubleshooter didn’t fix the error, try cleaning the Windows Update Cache and fix the issue. First of all, we need to stop the Windows Update Service.