The most frequent cause. When you uninstall VMware Workstation or VirtualCenter, some registry keys pointing to vcspc.dll remain. Later, a Windows service or startup program tries to call the missing DLL.
vcspc.dll is a niche but legitimate VMware component. Errors related to it almost always stem from an incomplete VMware installation, a false positive by antivirus software, or remnants of an older VirtualCenter Server setup. vcspc.dll