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Asked: 2026-05-23T09:40:05+00:00

recently i was exploring the registry i found few special number in HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\UNINSTALL\{…product code…}.

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recently i was exploring the registry i found few special number in HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\UNINSTALL\{...product code...}. i found that these numbers are unique and are same on all the machines for a particular software. For example- microsoft .net framework 4.0 has 0A0CADCF-78DA-33C4-A350-CD51849B9702 product code. Can anyone list me the product code of all the .net framework (with service pack). i will suggest you all to have a look in registry path provided.
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  1. Editorial Team

    "HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\UNINSTALL{…product code…}." this path stores the product code of the software and are unique on all the machine (depending on the OS (32bit or 64 bit))

    i have collected few of the registry entries of .net framework they are as follows:-

    1.1- CB2F7EDD-9D1F-43C1-90FC-4F52EAE172A1

    2.0 sp2- C09FB3CD-3DOC-3F2D-899A-61AD67F2073F

    3.0 SP1- 2BA00471-0328-3743-93BD-FA813353A783

    3.0 SP2- A3051CD0-2F64-3813-A88D-B8DCCDE8F8C7

    3.5 SP1- CE2CDD62-0124-36CA-84D3-9F4DCF5C5BD9

    4.0- 0A0CADCF-78DA-33C4-A350-CD51849B9702

    4.0 client profile- 3C3901C5-3455-3E0A-A214-0B093A5070A6

    all are of 32 bit machine.

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