hard disk space

I configured through Paralells to increase the hard disk space on the virtual machine from the standard 256GB to 1TB. I applied the changed and restarted everything and on the configuration of the Hard Disk on Paralells it shows up as 1TB. However, when I go into finder in the windows...

I'm running Parallels Desktop 12, with 1 Windows 7 Pro VM, and only 1 (the last successful) snapshot. Every time I try to start the VM it shows me the windows screen saying "Failure configuring Windows Updates Reverting changes Do not turn off your computer," and then the VM just gets bigger and...

I've followed the instructions in this support document, but to no avail. When I go into configuration settings while the VM is shut down, the hardware options are still greyed out. For what it's worth, this is on Parallels 8, which I know is a pretty outdated version at this point. But it's...