FIX: Server error in ‘/’ application runtime error

Milan Stanojevic
by Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about PCs ever since his childhood days, and this led him to take interest in all PC-related technologies. Before joining WindowsReport, he worked as a front-end web developer. Read more
Affiliate Disclosure
  • Runtime errors are common issues found in the Windows Operating System.
  • They are usually errors that developers were expecting beforehand.
  • We have plenty of other troubleshooting guides like this one in our dedicated Fix page.
  • Even more guides can be found on our Browsers page.
/ runtime error
Strugling with your current browser? Upgrade to a better one: OperaYou deserve a better browser ! 350 million people use Opera daily, a fully-fledged navigation experience that comes with various built-in packages, enhanced resource consumption and great design. Here's what Opera can do:

  • Easy migration: use the Opera assistant to transfer exiting data, such as bookmarks, passwords, etc.
  • Optimize resource usage: your RAM memory is used more efficiently than in other browsers
  • Enhanced privacy: free and unlimited VPN integrated
  • No ads: built-in Ad Blocker speeds up loading of pages and protects against data-mining
  • Gaming friendly: Opera GX is the first and best browser for gaming
  • Download Opera

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

How do I fix ServerError In ‘/’ Application Runtime Error?

1. Switch to 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.

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.

It is frequently updated, and all of the components are of the latest version of all times, so errors such as the one described above are less likely to occur again if you switch to Opera.



Want and error-free browsing experience? then stop wasting time with your old browser and switch to Opera instead!

2.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 selectAll TasksRestart IIS.
  5. Choose whether to restart IIS, stop IIS, start IIS, or reboot the Server and clickOK.
  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.

If Restarting IIS does not stop the server error in ‘/’ application runtime error, use the following methods below.

3.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.

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

4.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 lefthand pane.
  5. Select Application Pools.
  6. Continue by right-clicking on the Domain Name, and choose 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.

server error in ‘/’ application can be frustrating and prevents you from making proper use of your site. But thankfully the methods discussed in this article will solve the challenge. Make sure to read through the steps correctly so that you can get rid of this problem permanently.

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

idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

Frequently Asked Questions

  • Unlike other errors, runtime errors are something that designers had anticipated, but could not fix or solve upon release. Check out these tools that help fix runtime errors.

  • There are plenty of things that can cause runtime errors, including memory or storage space insufficiency. If you think you suffer from the latter, consider getting an external HDD for extra storage.

  • Unfortunately, no. Runtime errors are bound to happen at some point, especially if you use the PC intensively.

This article covers:Topics: