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How to Fix “Installation has failed” on Discord

Are you getting an “Installation has failed” error on Discord?

Here’s the full error message, “There was an error while installing the application. Check the setup log for more information and contact the author”.

If you’re trying to download Discord on Windows 10, you might run into some installation issues.

The issue is very common and millions of people have faced it before.

In this guide, you’ll learn how to fix the “Installation has failed” error for DiscordSetup.exe in 4 easy steps.

Here’s how to fix “Installation has failed” on Discord:

  1. End task for Discord in the task manager
  2. Delete Discord from %localappdata%
  3. Delete Discord from %appdata%
  4. Download Discord again

1. End task for Discord in the task manager

Installation has failed Discord

The first step is to end the task for Discord in the task manager.

To open the task manager, press “CTRL” + “ALT” + “DEL” on your keyboard.

Alternatively, you can search for “Task Manager” on the Windows search bar.

After you’ve opened the Task Manager, look for the Discord application.

Then, right-click the app and click on “End task” to end the task for it.

In most cases, the root problem for Discord installation issues is that the app is still running on your computer.

In order to fix it, you need to end its task.

2. Delete Discord from %localappdata%

Now you need to delete the “Discord” folder from %localappdata%.

If you didn’t change the file path of Discord, it should be located there.

Firstly, search for “run” in the Windows search bar on the taskbar.

Secondly, type %localappdata%, and Windows will open the app data in the local folder.

Once you’re there, find the Discord folder and right-click it.

Lastly, delete the Discord folder.

In the next step, you need to delete Discord files in “local” and “roaming” because the files might be corrupted.

3. Delete Discord from %appdata%

Delete Discord %appdata%

The third step is to delete the “discord” folder from “Roaming”.

After deleting it, all of the Discord files will be erased from your computer.

Firstly, search for “run” in the Windows search bar on the taskbar and press enter.

Next, search for %appdata%, and Windows will open the app data in the roaming folder.

Right-click on the “discord” folder (most likely in small caps) and click on “Delete”.

You’ve successfully removed corrupted Discord folders from your computer!

Now, you just need to download the Discord application on your computer again.

4. Download Discord again

How to download Discord

Lastly, you need to install Discord for Windows again.

Go to Discord.com and click on the “Download for Windows” button.

After Discord is installed on your computer, you should be able to run it

This time, the “Installation has failed” error should be fixed, and you should be able to run Discord on your computer.

Why is my Discord installation failed?

Your Discord installation failed because its files are corrupted.

Installation issues are common for Windows 10/11.

They can be fixed by deleting all of the application’s existing folders.

Then, reinstall the application on your computer and you should not encounter any error.

How do I download Discord when it says error?

To download Discord when it says error, remove all of its existing folders and download it again.

But before that, open the Task Manager and end the task for the Discord app.

Here’s how to download Discord when it says error:

  1. Open the Task Manager > right-click Discord > end task.
  2. Navigate to %localappdata% and delete the Discord folder there.
  3. Navigate to %appdata% and delete the Discord folder there.
  4. Go to Discord.com and install Discord.

This time, you will be able to successfully install Discord on your computer without encountering any errors.


Installation issues for communication applications like Discord and Skype are common on Windows 10/11.

Fortunately, the DiscordSetup.exe installation issue can be easily fixed by following the steps in this article.

In most cases, the root cause of the error is that the Discord application is still running in the background of your computer.

Hence, the first step in fixing the installation issue is ending the task for the Discord application in the Task Manager.

Afterward, you can delete all the existing Discord folders from your local and roaming folders.

Once you’re done with that, installing Discord on your computer should be error-free.

If you’re encountering installation issues for other applications on Windows 10, you can repeat the same 4-step process in this guide to fix it.

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About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.