Don't use WinRAR or older versions of extraction tools. Use the official 7-Zip client to avoid "Header Error" or "Data Error" messages during decompression.
If your extraction failed or the rip was corrupted, you will get a "ZLIB" error or "Corrupt RPF." Open your .7z file in . Do not use WinRAR for 7z files. Click Test Archive . If it fails, the download is dead. Find a new source. If it passes, re-extract using "Extract to *" (not drag and drop) to preserve folder junctions. gta iv rip7z work
Stay safe, and remember: In the world of repacks, patience is the only patch that works every time. Don't use WinRAR or older versions of extraction tools