First the specs...
OS Name   Microsoft Windows XP Home Edition  (Fat 32)
Version   5.1.2600  Build 2600
OS Manufacturer   Microsoft Corporation
Syystem Manufacturer   MSI
System Model   MS-6380
System Type   X86-based PC
Processor   x86 Family 6 Model 6 Stepping 2 AuthenticAMD ~1480 Mhz
BIOS Version/Date   American Megatrends Inc. 07.00T, 8/17/2001
SMBIOS Version   2.3
Total Physical Memory   512.00 MB
Available Physical Memory   301.47 MB
Total Virtual Memory   1.47 GB
Available Virtual Memory   1.10 GB
Page File Space   993.71 MB
Geforce2 MX 400 64 MB
Current video driver is 23.85
Any time I Alt-tab out then return to AH, the video is porked, rainbow colors and translucent figures.
Now I have tried as many different drivers (certified or not) as I could find. No joy!
I have tried all the various adjustments in the direct 3d settings appelet as I could. Still no improvement.
I dont mind if there is a known issue, just come clean and tell me if there is. I am still playing this game as an evaluation and this issue may effect my decision on weather I pay to play or not...
You may ask why do I need to Alt-tab out?? So I can tend to RW as needed on occasion.
The only way I can correct this problem is to restart AH. No fun. This has been very frustrating when it happens in flight...
Will this happen in Win 98?? 
Thank you
ZZ3
Please only relevent quotes.