Error in updateRegistry in Windows 7

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I have been strugling eleminate error while updating registry.

I have a legacy VC++(VS 6.0) code working fine in windows XP.But the same code is failing at UpdateRegistry("AfxOleRegisterServerClass") function call in windows 7.Error message as,

"failed to update system registry please try using regedit"

Could please suggest me should I go with RegCreateKeyEx(), RegSetValueEx()
or is there any solution for the error message.

Posted 24-Jan-12 20:54pm

deepa_ubdt

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2 solutions

Solution 1

Probably your application has not the required privileges to do that (you may try to 'run as administrator' it, to verify). You have to elevate application privileges (have a look at the following CodeProject's article: "Vista UAC: The Definitive Guide"[^]).

Posted 24-Jan-12 21:41pm

CPallini

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deepa_ubdt 25-Jan-12 7:41am

Application work when we try Run as administrator...

I could not find out the solution for Visual studio 6.0 to elevate application privileges.

Could you please help me whethere I should do Enable/Disable Privileges.
If so could you please show the step to follow

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deepa_ubdt · Accepted Answer · 2012-01-29T19:48:00

Added access priviledge with KEY_WRITE and RegCloseKey(hTestKey) after UpdateRegistryAll().

Example:
HKEY hTestKey = NULL;
LONG lResult = ::RegCreateKeyEx(HKEY_CLASSES_ROOT,
"MFCOServ.Document", 0, "",
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL,
&hTestKey, NULL);
if ((ERROR_SUCCESS == lResult) && (hTestKey != NULL))
{
// It's ok to call UpdateRegistry
}

Information collected from,
http://support.microsoft.com/kb/254957