Vmware workstation/player buggy after host's fast user switching compatibility at winxp

buggy screen
Greetings, I've got 2 questions that wants some help

1) I just installed my vmware 9 (and 10) but I find that after my host pc turn to the fast user switching screen (windows key -> L -> S ; and/or after screen saver), my guest system will become buggy as the picture shown at top, the entrie screen freeze (It may become workable again after suspend it than resume ); Even if I tried to disable the "fast user switching compatibility" at winxp and use "password protect after screen saver" and it ends the same, doesn't happened at workstation version 7, any idea?

2) When I'm using workstation 7, if my guest pc are running some directx application and at the same time my host pc run directx game (like world of warcraft), my guest pc's directx application will result a high chance of application freeze (the remain part of guest system is workable, though I can kill the freezed task), any idea to solve this?

Host setting:
Core I3 / 4G ram / Nvidia GTS 250 / winxp sp3

Guest: winxp sp3
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I think you need

1. More RAM
2. Faster CPU
candychan611Author Commented:
I don't think that was the problem of insufficient of ram or CPU for question 1 as vm7 didn't have that problem

For question 2, I'd check my ram and CPU usage and it got >1G ram free and low CPU usage while it happens, shouldn't be that problem neither  ;/
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
if you turn off, the VMs do you get the same issues.
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candychan611Author Commented:

Do you mean question 2? Be notice that "my [guest] pc's directx application will result a high chance of application freeze"

Since it happens at guest's pc (not host), turning VMs (guest) off means nothing ;/
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
As both your Host and Guest Virtual Machines are sharing the same GPU graphics card and GPU memory, I would avoid using functions e.g. DirectX applications at the same time.

It's of no surprise that DirectX applications would freeze.
candychan611Author Commented:
Well, seems nobody are going to have another answer for this, I decide to close this question and have my final respond for hanccocka.

My graphic card is GTS450 and shouldn't have any problem for running >2 DirectX applications, I did check my Graphic card's ram usage and GPU's clock rate and it still got >700Mb free before the guest's application freeze.  

What I hope is to slove this issue but not advoid it, thank you anyway

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candychan611Author Commented:
Nobody can slove my question after weeks, ending this.
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