I currently use Ad-Watch, and wanted to know how to achieve the same/better protection with RegDefend. The Ad-Watch options "Lock start-up section", "Block possible browser hijack attempts", "Lock executable file associations" are the options that can be emulated in RegDefend. 1) "Lock start-up section" has already been taken care of with the "AUTO STARTS" group. 2) "Block possible browser hijack attempts" has been partly taken care of by the Browser Helper Objects Registry Item. The other items I can think of are home page, search page, default error page. Which keys/values do I need to protect for these items ? What else do I need to protect ? 3) "Lock executable file associations" has not been taken care of. All these associations are stored under the HKEY_CLASSES_ROOT key. Should I just protect the whole HKCR key to protect all associations or would this cause problems ? Why are these not protected by default ? That aside, what other registry items would you recommend I protect ? eg. KAV key, LnS key, PG, TDS, Ad-Aware/Ad-Watch etc.