To make this permanent, right-click the icon, go to , select the Compatibility tab, check the box for "Run this program as an administrator" , and hit Apply . 3. Update or Replace the dhnetsdk.dll File
Navigate to your local installation directory, which typically defaults to C:\Program Files\Smart Professional Surveillance System\SmartPSS .
If specific DLL libraries are corrupted, manual replacement forces playback capability to return. Failed To Start Playback Netsdk Returns Error Smart Pss
Software updates or operating system security patches can occasionally corrupt core library files like dhnetsdk.dll .
Overwrite the existing file when prompted by Windows by selecting . 4. Realign Software and Firmware Versions To make this permanent, right-click the icon, go
An updated NVR system with an outdated desktop SmartPSS client, or vice versa, results in incompatible video compression protocols or playback commands.
If you recently upgraded your hardware (DVR or NVR) or swapped an IP camera, your older computer software might not comprehend the recorder's commands. Smart PSS Error Help | IP Cam Talk If specific DLL libraries are corrupted, manual replacement
Copy and paste the new dhnetsdk.dll file directly into that directory.