How can i fix my laptop?

After my computer was infected with verious viruses, I removed the antivirus and installed a new antivirus and scanned my laptop. After this scanning, the laptop hybernate option does not work. Some alert comes and says that the computer doesn't have enough ( ) to load hybernate option. So if any one of u could tell me the reason and the solution of this problem, i will be pleasured.

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