Hash Sum Mismatch error unable to update

[Gaurishankar]

Dear Sir,

I am unable to update the my Linux Lite installation. getting hash sum mismatch error. Firefox and Google Chrome is often crashing. Installed Team viewer  but it is not working. Horrible experience.
unable to do productive work in Linux Lite.

Please Help

Gauri Shankar Gound
9821902676

[Jocklad]

Menu----System----Lite Tweaks----Package system repair.

This will set your packages to default.

Worth a try.