The "WindowBlinds has detected a problem with core files new" error is frustrating, but it is not a sign that your software is permanently broken. It is simply a symptom of the evolving security landscape in Windows 10 and 11. Microsoft is locking down the operating system, and third-party theming tools are playing catch-up.
: On fresh Windows installations (or virtual machines), the OS may be slow to update root certificates. If WindowBlinds cannot verify its own digital signature against these certificates, it triggers the "core files" warning. windowblinds has detected a problem with core files new
: It wasn't until the release of Windows 2000 that the software moved out of the "hacker" arena and became stable enough for mainstream use, as the OS could finally handle deep skinning without constant crashes. The "WindowBlinds has detected a problem with core
: Try temporarily disabling the Host Intrusion Prevention System (HIPS) in your antivirus settings. : On fresh Windows installations (or virtual machines),
With the "new" error, Windows Defender frequently quarantines W blind64.dll because it detects "behavior:Win32/CustomShell.Host." This is a false positive, but Defender doesn't care—it removes the core file, and WindowBlinds panics.