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A Windows PAR2 tool from the early 2000s that became the reference implementation for verifying and repairing Usenet downloads. Its progress display, showing blocks found, blocks missing, and blocks needed, set the vocabulary still used today. Development stopped years ago and it does not handle very large modern releases well, so MultiPar is the usual replacement on Windows.
Browse all terms in Binaries, Encoding & Repair, or see the full Usenet glossary.