ERROR pulp CBC Solver [WinError 5] Access Denied

Question

I've compiled a version of CBC for multithreading but i'm struggling connecting it to pulp.

To be more specific I've linked the solver to pulp using these lines of code:

pathToSolver = "C:\\Users\\ ... \\coin_or\\Cbc\\MSVisualStudio\\v16\\ReleaseParallel"

solver = COIN_CMD(path=pathToSolver,threads=8)
checksol = prob.solve(solver)

But when I run the code it crash with this error:

PermissionError: [WinError 5] Access denied

I've tried to change permissions to cbc.exe giving to it all the permissions but the result was the same.