. Below is a guide on why this happens and how to resolve it. Common Causes Root Certificate Latency

: Antivirus programs, particularly ESET , have been known to block core WindowBlinds files like WBCore.exe .

Download the official from the Stardock support forums.

If none of the above works, reach out to Stardock support. Provide:

If is active, check the block history. Proactively click Allow an app through Controlled folder access and whitelist the WindowBlinds directory executables.

Create a new rule allowing all actions for the source application: C:\Program Files (x86)\Stardock\WindowBlinds\WBCore.exe .

net stop themes net stop dwm net start themes net start dwm sfc /scannow DISM /Online /Cleanup-Image /RestoreHealth

From that day on, before any major Windows update, she uninstalled WindowBlinds first—then reinstalled it afterward. The error never returned.

Below is an extensive guide explaining why this core file error occurs and how to resolve it sequentially. Primary Causes of the Core File Error