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The digital signature is unknown, The signature is corrupted

Notice

This document is a machine-translated draft and is currently undergoing review. Some content may be inaccurate or differ from the original Korean version. For the most precise information, refer to the Korean documentation.

  • Error message: "The digital signature is unknown.", "The signature is corrupted."
  • Summary: Player installation failure due to digital signature-related errors

Symptoms

During the Kollus Player installation process, a warning message related to digital signatures is displayed, and the installation is interrupted or does not complete successfully. The cause and solution differ depending on the type of message.

Solutions by error message

"The digital signature is unknown."

This occurs when the Windows version or browser version is not compatible with the requirements of the site you are using. Always keep the player and browser up to date, and try playing content in the Chrome browser.

"The signature is corrupted."

This may occur in a Windows 10 64-bit environment. Download and install the latest official installation file for Kollus Player from the Chrome browser.