Win7 VM (from p2v) freezes at random intervals

[wand]

I have a Win7 VM which is a P2V result from a laptop (i used VMWare Converter Standalone for the task). I then created a new VBox VM and used the .VMDK as a HDD.

I turned on the VM, let it discover all the drivers it wanted, restarted, etc. Finally i installed VBox drivers from the VM, restarted and everything seemed to work OK. Also performed several old drivers cleanup (uninstallations and removals from device driver), to minimize possible issues.

The VM works fine, except that after some time (randomly, usually 10-20 minutes), it just freezes. VBox's window is responsive but the guest OS is completely frozen. Trying to close the VM from the VBox's close window button, i select "Send the shutdown signal" and then press OK. It waits a few seconds and then it just closes the window.

Of course, the next time i start it, Windows report they had not been shutdown properly the last time. Also, the original laptop works just fine.

[wand]

Also, i occasionally get the following error when shutting down the VM (normally, from withing the guest OS):

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VirtualBoxVM.exe - Application Error

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The instruction at 0x00007FFA0D2BF43C referenced memory at 0x0000000000000000. The memory could not be read.

Click on OK to terminate the program

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OK

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