Код:

reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders" | find /i "Uchitel" 
    
    C:\Documents and Settings\kozhekin\Local Settings\Application Data\Uchitel\Rec\ REG_SZ 
    C:\Documents and Settings\kozhekin\Local Settings\Application Data\Uchitel\  REG_SZ 
    C:\Program Files\Common Files\Uchitel\       REG_SZ 
    C:\Documents and Settings\kozhekin.UCH\Local Settings\Application Data\Uchitel\Rec\     REG_SZ 
    C:\Documents and Settings\kozhekin.UCH\Local Settings\Application Data\Uchitel\    REG_SZ

Код:

@echo off  
for /f "tokens=1 delims=    " %%a in ('reg.exe query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders" ^| findstr /i "Uchitel" ') do (  
for /f "tokens=*" %%b in ("%%a") do reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders" /v "%%b\" /f  
)