Prompt for passphrase not appearing

Hallo all,

I am having a problem using Gpg4win 2.1.0 on Windows XP 2002, service pack 3. When I create a new key pair, the key generation process fails most times without having displayed the “Enter passphrase” window.

After finally successfully generating a key pair, I can encrypt files but not decrypt them. When I try to decrypt I am not prompted for a passphrase, but simply see an error telling me that decryption has failed.

Any assistance would be greatly appreciated.