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As far as i know HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System registry node is not accessible for normal user. i needs admin rights to modify it.

i need source
Thanks7872 7-Jul-14 6:42am    
Don't repost question. You have already accepted solution at previous question. And don't ask for code,no one will provide you the code. We are here to help you with what you have tried.
[no name] 7-Jul-14 7:11am    
This is my code:
RegistryKey objRegistryKey = Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\System");
objRegistryKey.SetValue("DisableTaskMgr", keyValue);
this code run in windows xp but dont run in windows 8....
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I know that the problem is the access level ....
What level do I have access to my code.
Richard MacCutchan 7-Jul-14 9:15am    
You need to run your program at Administrator level.

1 solution

You'll want to modify the manifest that gets embedded in the program. This works on VS2008 and higher: Project + Add New Item, select "Application Manifest File". Change the <requestedexecutionlevel> element to:
<requestedexecutionlevel level="requireAdministrator" uiaccess="false" />

The user gets the UAC prompt when they start the program. Use wisely, their patience can wear out quickly.

Get more info from following article
Requesting Admin Approval at Application Start[^]
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