This post has summarized the best fixes to get rid of Discord No Route Error in 2020. If you don't know how to fix No Route Discord, check out this post now.
Fix 1. Clear up the Temporary Discord Files
Step 1. Press Ctrl + Alt + Delete keys to open the Task Manager window, and then right-click the Discord process and select End task option to close the program.
Step 2. Press Win + R keys to open the Run dialog box, and then type %appdata% in the box and hit Enter.
Step 3. In the Roaming folder, navigate to the Discord folder and right-click it and select Delete from the context menu.
Step 4. After deleting the folder, open the Run dialog box again and type %Localappdata% in it and hit Enter.
Step 5. Find the Discord folder in the local AppData folder and delete it.
Step 6. Launch the Discord setup file again and follow the steps provided by the installation wizard.
How to use Push to Talk on Discord? If you don't know how to enable and configure Discord Push to Talk, you can check out this post for instructions.
Fix 2. Add Discord to the Whitelist of Your Antivirus Program
Step 1. Right-click the Avast icon on the desktop and select Open Avast user interface from the listed options.
Step 2. Navigate to the Protection tab on the left side, and click on the Virus Chest on the right side.
Step 3. Then all the unsafe files quarantined by the antivirus software will be listed here. Now, navigate to all files related to Discord. These files start with discord_ in most cases.
Step 4. Click on the three dots and select the Restore and add exception from the context menu. Then repeat this step for each discord file.
To make sure you can launch the Discord setup file without any potential issues, you follow the steps below to add the executable setup folder to an exception in Avast. For that:
Step 1. Open Avast by the above steps.
Step 2. Click on the Menu icon at the upper right corner and then select Settings from the drop-down menu.
Step 3. Navigate to the General tab on the left side, and then select Exceptions option from the submenu.
Step 4. In the pop-up window, click on the Add Exception button and select the Discord executable folder and installation files.
Step 5. Click on the Add Exception button to confirm and relaunch Discord.
Fix 3. Reinstall Discord
Step 1. Type control in the search box and select Control Panel from the context menu.
Step 2. Change the View by to Category. Then scroll down and click on Uninstall a program.
Step 3. Right-click Discord from the list of programs and select Uninstall.
Step 4. After the uninstallation is complete, open the Run box, type %appdata% in it, and hit Enter.
Step 5. Delete the Discord folder in the Roaming folder.
Step 6. Open the Run box, type %localappdata% in it, and hit Enter. Then delete the Discord folder.
Step 7. Download the latest Discord version from its official website. Then double click the executable file and follow the on-screen prompts to complete this reinstallation.