in the ppc client:
click on ‘debug window’
select the ‘console’ tab
type: walletpassphrase “your walletpassphrase here” 600
type: dumpprivkey [your public key here]
this will return the private key, you can copy it now;
in de peerunity client:
click on ‘debug window’
select the ‘console’ tab
type
importprivkey “yourveryveryveryverylongprivatekeystring” “my-new-key”
wait 1-2 minutes