For some unknown reason, Internet Explorer has ceased to function. Reason:
DEP keeps the program from loading. I get a warning box telling me that DEP
has shut down Explorer to protect my computer. I am running Vista Ultimate
and have had no previous problems. Appreciate some guidance. Thanks.

> For some unknown reason, Internet Explorer has ceased to function. Reason:

> DEP keeps the program from loading.

Almost certainly a bad add-in.

SteveT

On Dec 2, 12:19*pm, "Jim" <tteb...@xxxxxx> wrote:

> For some unknown reason, Internet Explorer has ceased to function. Reason:
> DEP keeps the program from loading. I get a warning box telling me that DEP
> has shut down Explorer to protect my computer. I am running Vista Ultimate
> and have had no previous problems. Appreciate some guidance. Thanks.

Data Execution Prevention: frequently asked questions
(Applies to all editions of Windows Vista)
http://windowshelp.microsoft.com/Win...2f4bf1033.mspx

Microsoft: Data Execution Prevention (DEP) feature in Windows XP
Service
A detailed description of the Data Execution Prevention (DEP ...
Describes the Data Execution Prevention (DEP) feature in Windows XP
Service ...
In Microsoft Windows XP Service Pack 2 (SP2) and Microsoft Windows XP
Tablet ...
http://support.microsoft.com/kb/875352

On Dec 2, 8:19*pm, "Jim" <tteb...@xxxxxx> wrote:

> For some unknown reason, Internet Explorer has ceased to function. Reason:
> DEP keeps the program from loading. I get a warning box telling me that DEP
> has shut down Explorer to protect my computer. I am running Vista Ultimate
> and have had no previous problems. Appreciate some guidance. Thanks.

Well, would you leave us a bare memory dump of the crashing situation
through the System Failure settings?
Most likely it is a bad DLL file gets loaded by the IE or a bad
'callee' function, because of installing toolbars or things of that
sort. If it was the case, check the situation farther by using Process
Explorer (from sysinternals).