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vmm32.vxd: Missing/unable to load.

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by johnong Mar 31, 2003 last reply Jun 29, 2003

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I have installed a new hard drive. I installed windows 98 from a full installation CD. When I get installation done and try to restart windows I get a message that says: C:\WINDOWS\system\vmm32.vxd: Missing/unable to load.

I tried using the windows 98 start up disk and windows comes to a blue screen that says: Invalid VxD dynamic link call from CDUDF(03) + 0000014D to device "048B", service 1. Your windows configuration is invalid. Run the windows setup program again to correct this problem. (I have done this 3 times)
To continue running windows press Y or enter.
To quit the current program press N. If you continue running windows, your system may become unstable. Do you want to continue?
Press Y for yes or N for no:

When I pressenter (to continue running windows) I get another blue screen that says: VFAT device initialization failed
A device or resource required by VFAT is not present or is unavailable. VFAT cannot continue loading.
System halted.

7 replies

by europanorama Mar 31, 2003

maybe cd has an error. i hope you have made a copy of the original. i hope a friend can check your cd with cdcheck(program). maybe you will need a new windows-cd. use winme. its stable with integrated system recovery ).
first i would zero or lowlevel format your hdd.
then use fdisk(on start-disk) and make a partition(keep in mind if you make more than one to activate first one). go to gatewway2000.com and search for gwscan. or go to website of your harddrive-producer/download diskmanager anduse it setting up. has integrated low/zerolevel formatter. i have never had troubles with hdd using eighter zero or lowlevelformat. some drive will reject the one or the other.
before doing all this maybe you can search for this error in microsoft-site or google-search.

by johnong Jun 29, 2003

The question was auto-closed by TechRepublic

by thechas Mar 31, 2003

Did you by chance also add RAM at the same time?

VXD errors, especially VMM32.vxd errors are usually the result of a RAM problem.

In order to fix the install, I normally end up deleting ALL of the .vxd files from DOS.
Then, once the RAM problem is corrected, Windows should load fine.

If you added RAM, Windows 98 has a bug if you have more than 511MB of RAM installed.
Windows can actually think it is OUT of memory when you have more than 511MB installed.

I have also had DIMM modules that while they pass the POST memory test, just will not function on a given motherboard in Windows.

If you did not add memory, and have less than 511MB installed, you may have jostled the RAM modules when you swapped hard drives.
Remove and re-seat your RAM modules, and try again.

Chas