There were two cause for this:
1. If it's caused by bugs or hijackers. you can use software to solve it.
2. It can also caused by 'weak computer battery that has adjusted your computer time somewhere in the future.
Symptom: If the date and time is adjusted to the different zone (i.e to the future)
notes:
date & time : ok - cause by hijackers
date & time : changes - cause by bugs or;
date & time : changes - battery
Question: How...
