Perplexing! VMWare, DNS not responding

I did end-task on VMware because it was resuming a Win7 x64 VM at 2MB/sec. Later, after booting it up, I cannot access the internet from the VM. The host's internet works fine. Using VMware Workstation 10.0.1.

Get this: I went back to an older snapshot of the VM, I did system restore on the host, and still the same problem.

Not only that, but I uninstalled VMware, rebooted, and reinstalled it (because other VMs and old clones have the same problem now) — to no avail! Same problem: "The DNS server isn't responding." And it doesn't matter to which previously-working wireless network I connect.

I tried all types of network connections under Settings/Hardware/Network Adapter/Network Connection settings on the VM.

I did ipconfig /flushdns and later /registerdns and still no better.

I tried to manually set the DNS to 192.168.43.225 inside the VM. I also tried to set it to the same DNS my host has: 192.168.43.1. Neither solved the issue.

I also tried to match the DNS from the host's nslookup. Nope. Disabling both firewalls doesn't help either.

I can ping the host from the VM.

When I resume from an old snapshot, the VM adds "Network 2" and asks whether public, work, or private. Maybe that gives someone here a clue. I've been a power user of windows for almost 20 years but no tricks have worked in the six hours I've already spent on this. Please help.

I narrowed down the problem to the host. This is because when I used Windows to restore my VM directory to an earlier state, and copied that into a new directory, and booted into my backup operating system (all Win 7 Ult x64), I ran the VM and the internet was shared with it.

Now, my problem is my host OS. There is nothing in it except updated Windows and drivers. Unless you guys can recommend a fix for why the host OS is not sharing DNS with my VM, I am forced to reinstall everything and just make a backup of that OS using Acronis True Image. With limited disk space, I'm playing data Tetris here, and it's taking hours. Thanks for reading and hope to hear replies.

After I copied the VM and the VM working folder, updated the working directory in the VM, I get the following error when I attempt to boot up: One of the disks in this virtual machine is already in use by a virtual machine or a snapshot.

It's frustrating because deleting .lck files did not work for me, and that's the only solution I could find online. How can I take ownership?