Whenever I use any of those commands, I get "keytool.exe is not a valid win32 application" error, even when I open keytool.exe independently as an exe file. C:\Program Files(x86)\Java\jre6\bin>keytool.exe -list -alias androiddebugkey -keystore "C:\Users\ti7a\.android\debug.keystore" -storepass android -keypass android keytool -list -keystore "C:\Users\ti7a\.android\debug.keystore" C:>cd C:\Program Files\Java\jre6\bin keytool -list -alias androiddebugkey -key store "C:\Users\ti7a\.android\debug.keystore" -storepass andro id -keypass android