A major turning point in WinRAR's history occurred around this era. Version 5.61 was one of the final versions to grapple with the UNACEV2.dll vulnerability. To protect users from potential "path traversal" attacks found in the old ACE format library, WinRAR eventually dropped ACE support entirely. This version included the necessary security hardening to keep users safe while the industry transitioned away from that format. Performance Improvements
Yes, but the installer may require you to uninstall the old version first. Back up your rarreg.key if you have a license. winrar 5.61 -32-bit-