Windows 7: Cannot access to slui.exe

When i press the "Activate Windows now" or "Change product key" it then appear "Windows cannot access the specified device,path or file. You may not have the appropriate permissions to access the item". So what the hell should i do?

Anyway, is this website trusted?
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Hi Mual,

The following tutorial should help. I do realise that it is based around anti-virus issues but give it a shot.

Can’t activate Windows 7 properly! (slui.exe – 0x80072EE2) | Windows 7 Themes

Hope that helps.

Try this method:

Click Start and type slui.exe 4 then press Enter to invoke the Activation Wizard.

Use the drop-down list to choose your area then call the number.

You'll be asked how many computers you've installed the software on (one, naturally) and will be asked to punch in the Installation ID using your telephone touchpad.

If that is accepted you'll be given the Activation ID. Instead of entering it straightaway, write it down so that you have a copy, and then enter it in the Activation ID fields.

Click Next and you should have an activated version of Windows.

Hello!

No, they are NOT to be trusted. At risk of lawyers breaking my front door down, I cannot explicitly say that they are a scam or malicious, but they are not effective, and not to be trusted.

Richard

Generally, if you can't access slui.exe, that may mean that the Windows Activation Technology may have been hacked, as that is what WAT hacking software does to illegally activate Windows. May I ask, did someone install Windows 7 for you? If they did illegally activate it, it doesn't necessarily mean that Microsoft is going to blast down your front door and arrest you.

I will try and let you guys know the result...
Recently I'm not able to online cause I'm busy.