-8664

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 code: -8664
• Summary: Playback and download failure due to system time mismatch

Symptoms

The player is repeatedly reinstalled, or content download stops without progressing. The user's device may display the message "System time is not accurate."

Cause

Kollus Player content compares the content server time with the user device time for security (DRM) authentication. If the time zone or current time does not match, security authentication fails and playback is blocked.

Resolution (Windows 11)

1. Type 'Control Panel' in the Start menu search bar and open it.
2. Click [Clock and Region] > [Date and Time].
3. Select the [Internet Time] tab at the top.
4. Click [Change settings].
5. Check [Synchronize with an Internet time server] and click [Update now].

8673 error

If error 8673 occurs after the above steps, change the time zone to Seoul (UTC+09:00).