Windows 7, Flash, DEP, IE issues

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Windows 7, Flash, DEP, IE issues

Post by Rhapsody on 4th September 2011, 6:20 am

Hello, I am having trouble with my HP G62 Notebook laptop. It runs on Windows 7 and has Intel Pentium. It isn't even a year old yet. I have AVG and Malware-Bytes on this computer so I assume it isn't a virus (yet).

I'm not sure if it is a virus or not because it has run correctly beforehand. However when I run Internet Explorer, certain websites will close due to DEP (Data Execution Prevention) constantly. Even during searches, it will close. I have never had this problem before until suspiciously, I had some Windows updates. I got fed up with the entire thing and restored it to manufacture because I thought it would help. Since the updates came back, the problem came back.

Now if I run the internet with FireFox as my browser, one of the same websites will shut down. This reasoning is "The Flash Plugin has crashed." and not the DEP. Oddly when this closes the internet or shuts down a program, it also shuts down my MSN Live Messenger as well.

Does anyone have any clue what's going on here? I don't know anymore.

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Re: Windows 7, Flash, DEP, IE issues

Post by makxp77 on 4th September 2011, 9:33 pm

•Right click on My Computer

•Click on Properties

•Click on the Advanced tab

•Click on the Settings button in the Performance section

•Click on the Data Execution Prevention tab

•Select the option to turn on only for esential windows programs and services.

Reboot and should solve your issue. Let me know


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Re: Windows 7, Flash, DEP, IE issues

Post by Rhapsody on 5th September 2011, 1:08 am

Problem isn't solved, the issue is still the same as listed.

Also originally, that was the default setting for this computer before I tried other methods with the DEP then reverted back to the default. It hasn't done anything new.

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Re: Windows 7, Flash, DEP, IE issues

Post by makxp77 on 5th September 2011, 1:11 am

Turning Off Data Execution Prevention (DEP)
If you can find the control panel for DEP, you will find there is not an option to turn it off. This is not a terrible thing unless you are trying to troubleshoot a problem. Then you want to eliminate it as an issue, to confirm that the application will work in the environment as a whole. Then you can re enable it and try to configure DEP correctly to allow your application to function:
Access to DEP configuration panel-

1. Click Start, click Run, type sysdm.cpl, and then click OK.

2. On the Advanced tab, under Performance, click Settings.

3. On the Data Execution Prevention tab, use one of the following procedures:

a. Click Turn on DEP for essential Windows programs and services only to select the OptIn policy.

b. Click Turn on DEP for all programs and services except those I select to select the OptOut policy, and then click Add to add the programs that you do not want to use the DEP feature.

4. Click OK two times.

There are actually 4 global configurations for DEP-

Configuration
Description

OptIn
This setting is the default configuration. On systems with processors that can implement hardware-enforced DEP, DEP is enabled by default for limited system binaries and programs that "opt-in." With this option, only Windows system binaries are covered by DEP by default.

OptOut
DEP is enabled by default for all processes. You can manually create a list of specific programs that do not have DEP applied by using the System dialog box in Control Panel. Information technology (IT) professionals can use the Application Compatibility Toolkit to "opt-out" one or more programs from DEP protection. System compatibility fixes, or shims, for DEP do take effect.

AlwaysOn
This setting provides full DEP coverage for the whole system. All processes always run with DEP applied. The exceptions list to exempt specific programs from DEP protection is not available. System compatibility fixes for DEP do not take effect. Programs that have been opted-out by using the Application Compatibility Toolkit run with DEP applied.

AlwaysOff
This setting does not provide any DEP coverage for any part of the system, regardless of hardware DEP support. The processor does not run in PAE mode unless the /PAE option is present in the Boot.ini file.


To turn off DEP globally, we must edit the Boot.ini file. Here are some instructions and an example of a Boot.ini file.-

1. Click Start, right-click My Computer, and then click Properties.

2. Click the Advanced tab, and then click Settings under the Startup and Recovery field.

3. In the System startup field, click Edit. The Boot.ini file opens in Notepad.

4. In Notepad, click Find on the Edit menu.

5. In the Find what box, type /noexecute, and then click Find Next.

6. In the Find dialog box, click Cancel.

7. Replace policy_level with AlwaysOff

Example of a Boot.ini file with /NoExecute set to AlwaysOff-

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=AlwaysOff

Source: http://support.microsoft.com/kb/875352


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Re: Windows 7, Flash, DEP, IE issues

Post by Rhapsody on 5th September 2011, 9:31 pm

@makxp77 wrote:
2. Click the Advanced tab, and then click Settings under the Startup and Recovery field.

3. In the System startup field, click Edit. The Boot.ini file opens in Notepad.

4. In Notepad, click Find on the Edit menu.

5. In the Find what box, type /noexecute, and then click Find Next.

6. In the Find dialog box, click Cancel.

7. Replace policy_level with AlwaysOff

Example of a Boot.ini file with /NoExecute set to AlwaysOff-

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=AlwaysOff

Source: http://support.microsoft.com/kb/875352

I got as far as 2 but there is no way to edit in the system start up field.

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