Don't know a lot about this, but a search turned up a number of items, among them this from Microsoft. I'm not really sure it will answer the question of 'what to do' since DEP is a 'feature' that prevents a program from running in an unexpected way... Is your husband running antivirus software? See this link for MS's info: http://windows.microsoft.com/en-US/windows-vista/Data-Execution-Prevention-frequently-asked-questions --which indicates there might be something for a scan to pick up...or not. <http://windows.microsoft.com/en-US/windows-vista/Data-Execution-Prevention-frequently-asked-questions>Sr. Dorothy On Sun, Oct 3, 2010 at 10:00 PM, Paula <biggmamma5@xxxxxxx> wrote: > My husband has a desktop Vista OS running Office 2007 & Outlook. Everytime > he tries to do anything using his Outlook email a message pops up: DEP(Data > Exclusion Prevention). He has tried everything and cannot get rid of the > message and this problem is specifically when he uses Outlook..clicks on any > link etc.. He went to "ask Leo" and asked "how do I turn off Data Exclusion > Prevention errors" and he cannot find out how to stop it. Does anyone have > a suggestion/solution? > --------------------------------------------------------------- Please remember to trim your replies (including this sentence and everything below it) and adjust the subject line as necessary. To subscribe, unsubscribe or modify your email settings: //www.freelists.org/webpage/pctechtalk OR To subscribe to the mailing list, send an email to pctechtalk-request@xxxxxxxxxxxxx with "subscribe" in the Subject. To unsubscribe send email to pctechtalk-request@xxxxxxxxxxxxx with "unsubscribe" in the Subject. To access our Archives: http://groups.yahoo.com/group/PCTechTalk/messages/ //www.freelists.org/archives/pctechtalk/ To contact only the PCTT Mod Squad, write to: pctechtalk-moderators@xxxxxxxxxxxxx To join our separate PCTableTalk off-topic group, send a blank email to: pctabletalk+subscribe@xxxxxxxxxxxxxxxx ---------------------------------------------------------------