Errors and bugs are not new to Windows 10 users, and one such error is “Parse_DevicesA: Data Size Error.” Almost all users experience the same error when trying to launch most of the applications installed on the PC. Many users have complained about the same error, and we have noticed that they search the internet to find reliable solutions.

There are various reasons for this error, such as outdated drivers, full-screen optimization features, incompatible text size, and many more. According to some users, they could not even launch an application on the system. However, in this article, we have listed few solutions to tackle the same issue as soon as possible. Let’s have a look.

Fix 1: Disable Full-Screen Optimization:

As a first attempt to resolve the “Parse_DevicesA:Data Size Error” on Windows 10, you need to disable the full-screen optimization feature. This feature is developed to enhance your system performance during gaming. To do so,

  • Firstly, press Windows + I altogether to launch the Settings app.
  • Then select System from the Settings window.
  • In the newly appeared screen, select Display from the left pane menu.
  • Now scroll down and choose the Advanced graphics settings option.
  • And in the pop-up window, untick beside the option Enable full screen optimization.

Fix 2: Change High DPI Settings in App:

If the above solutions do not resolve the “Parse_DevicesA:Data Size Error” on Windows 10, then you need to change the App high DPI settings. This trick has helped several users to get rid of the same issue. To do so,

  • Firstly, select the problematic app on the desktop.
  • Right-click on it and select Properties from the drop-down menu.
  • Inside the Properties window, select the Compatibility tab and click on Change high DPI settings.
  • On the next screen, tick beside Use this setting to fix scaling problems for this program instead of the one in Settings under the Program DPI section.
  • Now under the Use the DPI that’s set for my main display when set as I signed in to Windows option.
  • Once done, click on OK and check the said error resolved on your system.

Fix 3: Update Driver:

If your Graphics driver gets corrupted or damaged, then also you will get the “Parse_DevicesA:Data Size Error” on your Windows 10. Here the best solution is updating the driver to the latest version. To do so,

  • Firstly, right-click on the Start button and select the Display Adapter option from the context menu.
  • Inside the Display Adapter window, double-click on Display adapters and select your Graphics driver.
  • Right-click on the Graphics driver and select the Update driver option from the drop-down menu.
  • Finally, restart the system and see the results.

Fix 5: Enable GPU Scaling:

Sometimes enabling the GPU scaling might help you to resolve the “Parse_DevicesA:Data Size Error” on Windows 10. This is one of the most effective and reliable solutions to overcome the same issue. To do so,

For AMD users,

  • Firstly, right-click on the desktop and select AMD Radeon Settings. 
  • Then select the Display tab from the top horizontal menu.
  • Now toggle On beside GPU Scaling option.
  • Once the GPU Scaling is enabled, you also need to select the Scaling Mode.
  • Finally, exit from the window, restart the PC, and see the error erased from your screen.

For NVIDIA users,

  • Firstly, right-click on the desktop and select NVIDIA Control Panel.
  • Inside the Control Panel, choose the Display tab and choose Adjust desktop size and position option.
  • In the newly appeared screen, expand the Perform scaling on option and select GPU
  • Finally, select the Scaling option from there and choose accompanying options compatible with your system.

For Intel users, 

  • Firstly, right-click on the desktop and select Intel Graphics Settings.
  • Then choose the Display tab, and under the Select Display, choose the external display from the drop-down menu. 
  • Now in the Scaling section, choose Customize Aspect Ratio option. (adjust the screening size).
  • If you have done all these, restart the system and check for the result. 

Fix 6: Run SFC Scan:

If any of your system files get corrupted, then also you will get the “Parse_DevicesA:Data Size Error.” In this scenario, you need to utilize the SFC tool to repair corrupted files. To do so,

  • Firstly, type cmd in the search box and select the Command Prompt window from the search result. sfc/ scannow
  • Inside the Command Prompt, copy then paste or type the following command and press the Enter key,

Sfc /scannow

  • If you executed the command, you can restart the system and check the issue resolve for you or not.

This is how you can erase “Parse_DevicesA:Data Size Error” in your Windows 10. All the fixes mentioned above are tested and tried by experts. However, if you have any queries or doubts after reading this article, then please leave a comment in the below-given comment box.