In my opinion, this error is usually related to missing dependent libraries or 32-bit compatibility issues on Windows 11. You should check the included DLLs and try registering the file using RegSvr32 in the Command Prompt running with administrator privileges.
After upgrading, uncached WebResource files can hurt performance. Configuring caching headers or bundling scripts may help. Like Cookie Clicker City, small optimizations compound over time into noticeably smoother results.