'oh, god...!!     
i just install the vcm manager.  
when i install car mods, and it appeared like ... 
Installing... 
Checking file flags... 
Loading Script... 
Processing commands... 
config_editconfig( \data\default.dat, MODELFILE MODELS\GENERIC\wheels.dff, MODELFILE MODELS\GENERIC\nowheel.DFF, 2 ); 
FATAL - Cannot open file C:\Program Files\GTARockstar\Grand Theft Auto Vice City\data\default.dat- Installation will now halt. 
Generating Uninstall Info... 
All Done 
But, i've checked the properties of the VC folder, it's not read only.. 
how come it cannot open the file???     
i stuck here for 24hrs,, could anyone help me with this?