Not sure what happened with jaschaknack Github. PBE works great for me. Here is PBE 1.6.2 through 1.6.7 I uploaded.
https://mega.nz/#F!JGg1HRqA!3MzOfV1Y9N52SARgfu9wwA
SHA256SUM
ae66252cb7c19d8c32ea6d8cb4235ccdbc1416b298210cfbc628bbe6f0663b52 PolarisBiosEditor-v1.62.7z
8a3842ac66f2fb4d25a8d9dca9bf2ca07c177ec0020e8d039c973a26dd20638f PolarisBiosEditor-v1.63.7z
03d10e7b928b24e37ccf83bd6cc4e3987cad297e0cdd7958d27aff48298e940d PolarisBiosEditor-v1.64.7z
c47d0cb5599ed0603bf9cd519fd9e0bd4ee6058d50bdb9ff990932ed58a6fc9d PolarisBiosEditor-v1.65.7z
86506431c581327d3c037f6bd831bdc4de757a6767e10253555d6413e0def266 PolarisBiosEditor-v1.66.7z
4da378c27164af86406b52eb8cc30baa734b1a8bfefccb692e054fce79abad1d PolarisBiosEditor-v1.67.7z