Also, changing build type from NO-SSE to SSE to SSE2 will not require redoing any pilot or save date or anything else.
If you have a processor that is (or is newer) than an original Intel Pentium 3/AMD Athlon XP (2001), you can run with SSE.
If your processor is (or is newer than) an original Intel Pentium 4/AMD Athlon 64 (2004), you can run SSE2.
Sparky_hi_fs2.vp is installed when you select the option to "Install Hi-Res Graphic Interface Artwork". And the only file download install we can officially support is through Good Old Games which will install a clean and usable copy for $6 USD or so.