You really need to learn about books online.  Your UPDATE statement was totally wrong.


UPDATE tv SET
A = 1 - [tc].A
, B = 1 - [tc].B
, C = 1 - [tc].C
, D = 1 - [tc].D
FROM
T_V AS tv
INNER JOIN T_C AS tc
  ON tv.[Unique ID] = tc.[Unique ID];