There are a couple of things that you can try, most likely the Windows Time Service on your install is corrupt.
All fixes require that you be an administrator level user.
First insure that the time/date in your bios are correct.
Then check that the time service is enabled by opening services (on the desktop window depress the windows key + R, enter services.msc in run window, in services find Windows Time (w32time) and double click it. If service status shows stopped, click on it to start and press OK.
Run these commands in an elevated command prompt (right click command prompt and select run as admin):
net stop w32time
w32tm /unregister
w32tm /register
net start w32time
You can also make the changes directly in the registry --...