Impossible to play SC remastered ^technical issue

Yes Broodwar = SC1
Can you provide more details from your side:

  1. Whats your current StarCraft.exe version, 1.23.8.9411 ?
  2. What if you ran the game directly without Blizzard launcher ?
  3. Maybe you don’t have enough free space in C:, so the update to new/previous release keep failing ?