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thanks for your reply,
with small designs , i don't have this problem , but when i start to compile a bigger designs this kind of Quartus II internal error come out.
the full compilation pass but after 5 or 6 attempts. so a compilation of 15 minutes takes more than 1 hour.
i tried to install SP2 but when i execute the install nothing happen , though i downloads the SP2 install from altera web site.
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Hi,
you said "the full compilation pass but after 5 or 6 attempts" does that mean that the error doesn't occur in every run ?
Only to sort out where the problem comes from, can you choose a large e.g StratixIII device and try again ?
Kind regards
GPK