To Usman,
What problems are you experiencing when logging in, sir? Have you tried checking your connection or contacting InstaForex CS?
The reality regarding this broker:
1. InstaForex is one of the brokers blocked by the Indonesian government
2. Website links change frequently / even many affiliate links are presented by their IBs.
For a more certain solution, it would be good to ask info regarding this difficulty to InstaForex cs or the broker's IB in Indonesia.
Thank you.