The Finder can’t complete the operation because some data in “AdobeGermanSpeechAnalysisModels1All.dmg” can’t be read or written. (Error code -36)

Tried downloading CS4 and got this message

The Finder can’t complete the operation because some data in “AdobeGermanSpeechAnalysisModels1All.dmg” can’t be read or written.

(Error code -36)

Need help with resolving this.