Validation TK 2.3.5 (Included in SA2 and not compatible with DW CS5.5)
Cookies TK 3.1.3 ( Included in SA2)
Security Assist 2.0.5
Then reinstall Security Assist.
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These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.