Users encounter vscapi.dll errors most often after installing, updating, or uninstalling VirtualBox. Other scenarios include malware masquerading as the DLL or accidental deletion by antivirus software.
Critical Security Note: Because this DLL exists primarily in server environments, any instance found on a standard Windows 10/11 home PC, especially outside the above directories, or with a missing Microsoft signature, could be malware disguised as
vscapi.dll. vscapi.dll