Drrick Posted September 23, 2025 Report Posted September 23, 2025 Hi all, i setup my windows new, i did not de-install FSUIPC. The re-install today was telling me my credentials (key) was not valid. It is the exact same as the shop shows. do you need to re-set the key perhaps? cheers from Germany!
John Dowson Posted September 23, 2025 Report Posted September 23, 2025 Please read the documentation, section Invalid Key Problems in the Installation and Registration guide You could also search for one of the several hundred other user reports on this issue... If you re-installed windows, your problem will almost certainly be that you need to install the required VC++ redistributables. See the documentation. John
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