Unable to log in to Facebook A/c

Getting the following message since the past week or more. What intrigues me is that my other FB a/c is working fine.



Your account is temporarily locked
Your account has been temporarily locked because we have detected malicious software on your computer. Malware is malicious software that tries to access your personal information, slows your connection, and could cause other problems when you use Facebook. Your computer can become infected with malware when you click or share spammy links.
To get help removing the malware, click Continue. Once the malware is removed, you can log in to your account.