Installation of a SpeechExec 5.0 b420 software, via packaged CD,  may fail with a 1335 error message but only on some computers.

May also produce an error 1304 message !

Example shown is for SpeechExec Transcribe V5.0 b420

Download and install the appropriate SpeechExecFull” version software ( approx. 500MB) from the Philips website at:

Navigate to Support Center > Software Downloads. From theSoftware” pick-list…choose your software product to download.

Verification Source: Philips website