It looks to me as if your Licensing Store may be corrupted. I also tried renaming that tokens.dat file and then running slui.exe again but now it says an 'unauthorized change was made to windows'. I have tried running slui, but it crashes and says it is an 'invalid win32 application'. When this problem came up, I am also unable to connect to the internet on my laptop. I bought my version of Windows 7 Ultimate from my college's Tech Store so I am pretty sure it is genuine. Hello, I am having trouble with my laptop saying windows is not genuine. The Laptop configuration is as follows: ACER 4810T, Intel core 2 solo processor, 1.4. I have installed windows 7 build 7600, 32 bit edition on my laptop. Posts about windows 7 ultimate build 7600 product key written by Allah nawaz.
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