How to Fix Event ID 56, Application Pop Up on Windows [Easy Fix]

Windows 10 Home, Pro, Server, and Windows 11 users have recently reported a sudden device shutdown after an error popping up titled “Event ID 56, Application Pop Up”. The PC shutting down is a common issue with many fixes. The problem could stem from several issues related to BIOS, Drivers, Firmware, etc., but first, we need to understand what Event ID 56 is even about. Here is how to fix Windows Event ID 56, Application Pop-Up error.

What is Event ID 56

As reported by many, the computer completely shuts down, with a blue screen of death (BSOD) showing up right before it does so. The Event ID 56, Application Pop-Up error notification appears before the system crashes.

The problem concerns the device drivers returning an invalid child device ID, Most versions of windows will show a report this way, and if some don’t, then at least they’ll mention the driver and child device, which can be taken as a hint towards the type of fix that can solve this.

The report, as mentioned earlier, only hints at the problem. However, the real solution lies in the tried and tested fixes reported by the people. Some have spoken about a BIOS and Firmware update, while others have also reported about Drivers update or a Windows Format.

We’ll go through each fix one by one, with detailed steps that are easy to follow. So, follow the steps carefully, and you’ll fix Event ID 56, Application Pop-Up error.

Fix 1 – BIOS Update

BIOS stands for the Basic Input/Output System. This computer architecture section deals with the correct loading of system hardware and the operating system’s startup. An outdated BIOS can harm the PC, and cause the Event ID 56, Application Pop-Up error. So, follow the steps below to ensure that the BIOS is updated or not, and if not, then how to update it:

• Your Motherboard will have a model number; identify it and write it on paper.
• Press the Win + R keys to open the Run Program.
• Next, type in ‘msinfo32’ and hit Enter.
• System Info will open up.
• In the window, look for System Summary and open it.
• Next, look for BIOS Version/Date and note the version and date.
• During startup, an indication for opening the BIOS appears. Hit that key on startup and launch the BIOS.
• Enter Advanced mode, and plug in a USB.
• Then, you’ll see a USB utility. Click on it.
• Select the drive in which you saved your BIOS files.
• Next, the downloaded BIOS file will appear on the screen. Double-click it.
• A pop-up window will appear. Click on Yes and then Yes one more time.

This will start the BIOS update, which you’ll have to wait for to end. At last, click on the Ok button, and wait for the PC to restart. Once it boots up, see if the problem has gone away or not.

Fix 2 – Update GPU Driver

Many have complained about graphic and video drivers being the root of the Event ID 56 Application Pop-Up error. They have reported their system going back to normal after an update. Follow the steps below to perform the update:

• Open Device Manager via the search bar near the Start Menu.
• A list of devices will appear in front of the screen.
• In the list, look for Display Adapters and open it.
• There you’ll find video and graphics cards.
• Click on one of them twice and head over to the driver tab.
• Next, click on the Update driver button.
• Then, follow the instructions on the windows and let the system search for drivers automatically.
• Once the drivers are installed, restart your PC and see if event ID 56 is bothering you anymore or not.

That is all for our fixes for Event ID 56 and the Application Pop-Up error. Also, see our hub for commonly occurring PC errors and their fixes if you are experiencing other errors on your PC or video games.