And I see that your processor is Intel(R) Atom(TM) , in my POV its not for gaming purpose. I suggest that you use Desktop or higher specs for good gaming. I hope this helps.
Yes as Mushroom said that your laptop is just for office not for gaming, your specs doesn't meet the requirements for InfinityMU. If you want to reduce your lags. Try to download this anti-lag.
And try to download this Winzip Driver updater, this updater will help you to find out what is missing on your drivers. It will help you to update all your drivers in your laptop
1. Update all your drivers, using this Click Here
2. Put Anti-Virus on your PC this one might help
3. Scan your PC with the anti-virus to remove virus.
4. Re-Install your Client, and update it.