Activation - VISTA
A list of Microsoft Knowledge Base articles is available to help you troubleshoot error codes and error messages that you may receive when you try to activate Windows Vista
Error message when you start Windows Vista: "Your activation period has expired"
http://support.microsoft.com/kb/925616
Activate Windows Now
Your activation period has expired and Windows is no longer working.
To use Windows you must activate this copy of Windows.
Additionally, the taskbar does not appear. You have limited access to Windows Vista programs and features.
Error message when you try to activate Windows Vista: "An error has occurred"
http://support.microsoft.com/kb/931276
Error codes 0xC004C003, 0xC004C001, 0xC004C008, 0xC004C812, 0xCD004F050, 0xC004C4CE, 0x80072328, 0xC004F027, 0xC003E004, and 0xC004E003, 0xC004F033, 0XC004D401, 0x80080250, 0x8004FC03, 0X8004FE2D, 0x8004FE33, 0x8004FE91, 0x80072EE7, 0x80072EFD, 0x80072F78 and 0x80072F8F
Activation fails when you try to activate Windows Vista or Windows Longhorn Server over the Internet
http://support.microsoft.com/kb/921471
- Activation fails with error code 0x8004FE33.
- The following errors may be recorded in the Application event log:
Log Name: Application
Source: Software Licensing Service
Event ID: 8198
Level: Error Description: License Activation (SLUI.exe) failed with the following error code: 0x80004005Log Name: Application
Source: Software Licensing Service
Event ID: 1008
Level: Error Description: Acquisition of Secure Processor Certificate failed. Status Code=hr=0x8004FE33
- Activation is not successful, and you are not prompted for credentials.
You may be prompted to activate Windows Vista on a computer on which Windows Vista activation was not previously required
http://support.microsoft.com/kb/931573
