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It also keeps freezing when double-clicking a file in the project navigator; after about 20 seconds (I timed it) the Quartus editor opens. All file operations in all other applications on my system run virtually instantaneously, it's only Quartus that seems to take a break during file operations.
GooGooCluster
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We have experienced intermittent hangs with Quartus when TalkBack was enabled because it was trying to talk to Altera in the background, but the firewall was not allowing it. Review your settings under Tools->Options->General->Internet Connectivity. Especially make sure that the checkbox in TalkBalk options is disabled. This behavior cost us weeks of lost time by the time we figured out the cause - we just assumed the tool was really slow with file operations.
Honored Contributor
