The following procedures are recommended in order of complexity.
If your NVR/DVR firmware is from a much older generation (e.g., 2010–2015), it may not be fully compatible with the latest version of SmartPSS.
Right-click your Smart PSS desktop shortcut and select Run as Administrator . Try testing the playback timeline. The following procedures are recommended in order of
Ensure all necessary camera channels are checked under both and Playback permissions. Save the settings. Toggle the Playback Stream Type
C:\Program Files\Smart Professional Surveillance System\SmartPSS ) with a newer version. Shift the Playback Timeline Try testing the playback timeline
This error typically appears in (Dahua’s Video Management Software) or compatible surveillance clients when trying to play back recorded footage from an NVR, DVR, or IP camera.
Crucially, for many users this problem at midnight following the DST change, and all future recordings play back normally. This has been observed repeatedly in community posts, with one user stating: "Seemed to be a DST issue along with a bad version of SmartPSS" . or IP camera. Crucially
Follow this guide to fix the issue and restore video playback functionality. 1. Force Close Stuck Processes
Are you connecting to your cameras over a or via a remote P2P cloud connection ? Share public link
The error message in Dahua SmartPSS or Amcrest Surveillance Pro indicates a communication or permission block between the software's network SDK and the video recorder (NVR/DVR). This error typically occurs when the live stream works perfectly, but the system crashes or denies access only when trying to pull recorded footage.