Login error - 2147516566

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If you come across an error message including "2147516566", you are reading the correct article. Here is an example of the previously mentioned error message:




In recent times, Kameleo users have encountered a common issue during the startup process of Kameleo on their Windows 10/11 systems. Curiously, this problem seems to exclusively affect those with the "Professional" version of Windows. While we recognize the challenge, initial investigations indicate that the root cause is not attributed to Kameleo. In this article, we will delve into the details of this issue, its implications, and propose a potential solution to enhance the user experience in the future.


Suggested Solutions

While the source of the issue appears to be related to the Windows “Professional" version, we are committed to ensuring a seamless experience for all Kameleo users, regardless of their Windows edition. To address this inconsistency, a temporary solution until we make further additions to our installer..


Verifying that Windows is up to date

Enabling automatic updates is also a good practice, as it ensures that critical updates are installed without manual intervention. However, it's important to note that automatic updates can be configured to occur at a time that is convenient for you, so they don't disrupt your work.

To check for Windows updates and ensure your system is up to date, you can follow the steps mentioned below:

For Windows 10:

  1. Click the Start button.
  2. Go to Settings (the gear-shaped icon).
  3. Select "Update & Security."
  4. Click on "Windows Update."
  5. Click the "Check for updates" button.

For Windows 11:

  1. Click the Start button.
  2. Go to Settings (the gear-shaped icon).
  3. Select "Windows Update" from the left sidebar.
  4. Click the "Check for updates" button.


Install .NET 7.0

After verifying that your windows is up to date you should proceed with the installation of   .NET 7.0 Given that it’s the latest version of the .NET framework, and it brings numerous improvements and advantages that directly impact your computing experience, it’s also a crucial element towards resolving the “2147516566” error.


Deleting the contents of the “Temp” folder

  • The last action that is required is to delete all contents from your C:\Users\%USERNAME%\AppData\Local\Temp folder.

This can be achieved by using the “File Explorer”:

  • Open Windows File Explorer. You can do this by pressing Windows Key + E or by clicking the File Explorer icon on your taskbar.
  • In the address bar at the top of the File Explorer window, type or paste the following path and press Enter: C:\Users\%USERNAME%\AppData\Local\Temp (Replace %USERNAME% with your actual Windows username.)
  • This will directly take you to the Temp folder where you can see the temporary files and folders.

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