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Getting this error...during installation of R12.2
"Fatal Error: TXK Install Service"
"Cannot install Oracle Database Home
RW-50010: Error: - script has returned an error: 1
RW-50004: Error code received when running external process. Check log file for details.
Running Database Install Driver for VIS instance

Do you have any previous failed installation on this instance ? if yes pls delete inventory_loc file.
further you can also check following MOS Notes:
12.2 install fails on: Fatal Error: TXK Install Service (Doc ID 1590656.1)
12.2 Rapid-Install fails on Installing Web Tier Utilities with Error "Fatal Error: TXK Install Service" (Doc ID 1587452.1)
regards,

Have you checked all Prerequisites & RPM's ?.