Windows Security or third-party antivirus software prevented the DLL from registering during the "Install" phase [4]. Step-by-Step Solutions 1. Run as Administrator
Sometimes newer Windows updates conflict with older Hikvision SDK files. Running the application with administrative privileges and older compatibility settings can bypass error 23.
Clear your browser's temporary internet files and cookies before reinstalling the WebComponents.exe plugin. hikvision error code hcnetsdkdll 23 install
If error 23 appears specifically when searching for events or playing back files, it often indicates the system cannot find the video file on the NVR/NAS.
If you are using the iVMS-4200 PC-NVR feature and getting this error: If you are using the iVMS-4200 PC-NVR feature
For the "Event playback not supported" scenario, if your device does support VCA, the issue could be with iVMS-4200's storage settings. The software might not have allocated space for event pictures and data. In iVMS-4200 Storage Server, go to the storage settings and modify the quota. Try changing it from default (e.g., 100% video) to something like to allow event data to be saved properly.
In Hikvision’s SDK architecture, hcnetsdk.dll is the core dynamic link library responsible for handling network communications between your computer and Hikvision devices (like IP cameras, NVRs, and DVRs). Try changing it from default (e.g.
Temporarily disable your antivirus shields during installation to see if the error clears. 3. Reinstall Web Components with Administrator Privileges
Once installed successfully, toggle Real-time protection back and add the Hikvision installation folder to your antivirus exclusion list.
Real-time scanning often deletes HCNETSDK.dll automatically because it detects “uncommon packed code” (false positive).
Check the box for and select Windows 8 or Windows 7 from the dropdown menu.