5 Ways to fix Server Error in ‘/’ Application Runtime Error

by Milan Stanojevic
Milan Stanojevic
Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He's a PC enthusiast and he... read more
Fact checked by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Runtime errors are common issues found in the Windows Operating System.
  • You can fix this error by ensuring that you have the correct URL while trying to access the web app.
  • Verifying the version of your components is sometimes necessary to fix this problem.
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The server error in ‘/’ application can occur when your programs and file types are not compatible with your .NET Version. This prevents your website from running on the Server.

Fortunately, the IIS Manager lets you check the version of .NET you are using, and this is crucial to resolving this issue. This isn’t the only issue that you can encounter, and many reported Internal server error 500 as well.

In this article, we will discuss the methods and steps we can use to fix the server In ‘/’ application error for good.

What does server error in application mean?

This is a server side issue that prevents the web app from running properly. The problem is associated with ISS and ASP.NET.

If there’s an issue with these components, you won’t be able to run the select app and it will crash while giving you this error.

What causes runtime error?

The problem is caused by missing resources or if you try to run a file with an extension that isn’t approved.

Another cause for this issue are the compatibility problems with .NET Framework.

How do I fix server error in ‘/’ application runtime error?

1. Try a different browser

If you notice that this error appears on your default browser, then maybe it would be the time that you install another one just to see if it reacts differently, and we suggest you try out Opera.

It is a very responsive browser that can load pages fast. Being often updated to meet the latest standards, if you don’t have any underlying issues with your .NET framework or drivers, you won’t have this error in Opera.

Opera is a Chromium-based web browser that is designed to be fast, lightweight, and still powerful. More so, it can be heavily customized using the wide variety of extensions that you have at your disposal in your digital library.

Expert tip:


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We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
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If you can load the page in Opera, then you may be better off setting it as your default browser. All of its components are of the latest version at all times, so errors such as the one described above are less likely to occur.


Browse the web with a lighter browser that keeps up with the latest security and performance needs!

2. Check the URL

If the problem still appears, check the URL. Sometimes a bad URL can lead to this issue, so be sure to check if it’s correct.

After updating the URL, the issue should be gone. If the problem persists, move to the next solution.

URL problems can cause Server error in ‘/’ application runtime error to appear in Safari, Chrome or other browser, but this should help you fix it.

3. Restart IIS using a graphical user interface

  1. Click the start windows button at the lower-left corner of your Desktop.
  2. Search for Administrative Tools and click on the result.Server-Error-In-Application-Restart-IIS-Server
  3. Next, click on Internet Information Services (IIS) Manager to perform a restart when it opens.
  4. On the left pane, right-click on the server node and select All Tasks and then Restart IIS.
  5. Choose whether to restart IIS, stop IIS, start IIS, or reboot the Server and click OK.
  6. To restart an individual web or FTP site, right-click on the node for the site and select Stop, then repeat and select Start.

This method might help you fix Server error in ‘/’ application runtime error in Azure web app, so be sure to try it out.

4. Adding MIME Type to resolve server error in ‘/’ application.

  1. Search for the Administrative Tools on the Windows Start menu.
  2. Click on the Administrative Tools icon which will come on the search result.
  3. When Administrative Tools window displays, select Internet Information Services (IIS) Manager.
  4. Next, look on the left-hand pane, and select the Server.
  5. Click on Sites.
  6. Now, select your domain located in the central pane.
  7. Double-click MIME Types.
  8. Click Add Under the Actions column by the right.
  9. Fill in the File name extension and MIME Type fields In the pop-up window that will display.
  10. Confirm by clicking OK, then check to see if you are still getting the server error in ‘/’ application message.

You might need to run an Internet search so you can find the exact MIME type that will work with your file extension.

After making these changes, Server error in ‘/pods’ application will be gone.

5. Verify the .NET version

  1. Type Administrative Tools in Windows Start menu search box.
  2. Select the Administrative Tools icon to launch it.
  3. You will see Internet Information Services (IIS) when the Administrative Tools window opens.
  4. Click to maximize the server window in the left hand pane.
  5. Select Application Pools.
  6. Continue by right-clicking on the Domain Name, and choosing Basic Settings to move to the next option.
  7. Next, a pop window will display, click the .NET Version that is compatible with your program and file in the drop-down
  8.  Finally, select OK to confirm your option.

This is a simple method, and it can help you if you’re having Server error in ‘/’ application runtime error in Visual Studio.

This error can be frustrating because it prevents you from making proper use of your site. But thankfully the methods discussed in this article will solve the Server error in ‘/’ application on Windows 10.

Make sure to read through the steps correctly so that you can get rid of this problem permanently. In case the problem is still there, visit our Internal server error in NGINX guide.

Leave comments below, so we know if you are okay with the solutions provided in this article.

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