The original Blackbox orbit_api.dll and ubiorbitapi_r2_loader.dll are broken on NTFS volumes with modern security protocols. You need to replace them with community-patched versions.
Search for "GRFS SKIDROW Universal Crack Fix (No Uplay)" on reputable archive sites (Note: r/SteamUnderground or cs.rin.ru are the usual sources). You need a file package containing: Tom Clancy Ghost Recon Future Soldier Blackbox Crack Fix
Do not use the original Blackbox crack files. They are obsolete. The original Blackbox orbit_api
Even with the fixed DLL, the game may crash on launch. This is due to the DRM wrapper’s thread scheduler failing. Do not use the original Blackbox crack files
Alternative: Use a batch script with start /affinity 0F GRFS.exe (Where 0F = first 4 cores in hex).