How to Delete All "dllcache" Files From a Remote Xp Machine via Cmd/Psexec/Bat etc... Command?

We sometimes delete some folder/files on remote machines (e.g. temp, prefetch etc) via PsExec cmd command. But we can not delete dllcache. Are these dllcache files undeletable by remote commands?

For ex in a bat:

@echo off
SET /P ComputerName=Computer IP or Host Name: 
start cmd /c psexec \\%ComputerName% cmd /c "for /d "%%a" in ("c:\windows\system32\dllcache*") do del /s /q/ f /a "%%a"" ^& pause

If I change the directory (for ex temp) it deletes well. But this doesnt work. Interestingly, it doesnt give any error. Is this script nonsense?