Windows XP: i need updates and Ambient strings

[Joaquim]

i use  Acer Aspire 1690 laptop.

1 - why i can't read microSD with adapter?
2 - the string "%systemroot%" give me the Windows folder path("C:\Windows").. but what is the string for get the open folder? (the current folder on Explorer.exe)
3 - i can't install some updates... they have some order?(using LegacyUpdate: https://legacyupdate.net/ )

Edited March 23, 2023 by Joaquim

[Joaquim]

the "%systemroot%" give me "C:\Windows"

what is the string for get the pif file folder?(current folder)

[Joaquim]

Driver Booster give me a more update card reader driver.. and  now works 

now i need a string for get the current folder for it on PIF Settings