The phrase "disclaims liability" is correct and usable in written English.
This phrase is usually used to refer to a party that releases themselves from responsibility for any issues that may arise from a situation. For example: "The company disclaims liability for any goods damaged during transit."
GNM further disclaims liability for any injury or damage to your or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Competition.
GNM further disclaims liability for any injury or damage to your or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Prize Draw.
GNM further disclaims liability for any injury or damage to You or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Competition.
GNM further disclaims liability for any injury or damage to your or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Promotion.
GNM further disclaims liability for any injury or damage to you or any other person's computer equipment that relates to or results from entry to or interest in this promotion.
GNM further disclaims liability for any injury or damage to your or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Awards.
In many jurisdictions, there are limits on liability disclaimers (e.g., it may be illegal to disclaim liability for recklessness or negligence resulting in bodily harm).
For example, you may try to disclaim liability for any injuries caused by your negligence, but that disclaimer will often be legally ineffective.
Sites providing downloads may want to disclaim liability for any potential viruses.
The site didn't work, and the company tried to use the interaction as an opportunity to disclaim liability.
The Promoters further disclaim liability for any injury or damage to your or any other person's computer relating to or resulting from participation in or downloading any materials in connection with the Competition.
