copy paste here last 10-30 lines from debug.log
remove your personal ip info if needed
this maybe wrong place to ask about the old client.. is there another thread for the old?
kernel failed on coinstake 462401a05e97403cd43807d073533ff608abd39b6edeb2728f6113108831ad95, hashProof=b6a8a053fb97912b2206026e86fd87bc0357508c7fcf8885f85163fe51f9280c
WARNING: ProcessBlock(): check proof-of-stake failed for block 41b2a441e3b6406b42a31351acf955e4b523bac7a3bbd5a7e7e240bb2d5be73a
received block 0fa4ae954d562d662440
ERROR: CheckProofOfStake() : INFO: check kernel failed on coinstake 24aee8b609c9d5b6be47f2f46d9acad1069294b913e1143c3efd31a09f1800c9, hashProof=fec219a8e0d96001bee5b3e8331fa52376582ba5ac9daeaf12b1da8d83216bd9
WARNING: ProcessBlock(): check proof-of-stake failed for block 0fa4ae954d562d662440277d837811a220feedfc1066edc63c4724c4413dcbb8
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
connection timeout
trying connection 75.68.194.191:16666 lastseen=8.5hrs
received block 0d7082f5142cbd1b0890
ERROR: CheckProofOfStake() : INFO: read txPrev failed
WARNING: ProcessBlock(): check proof-of-stake failed for block 0d7082f5142cbd1b0890e814df6a95463013c4241353162f193028f798a56fa2
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
received block 6d43cec98a0c69131a3d
ERROR: CheckProofOfStake() : INFO: read txPrev failed
WARNING: ProcessBlock(): check proof-of-stake failed for block 6d43cec98a0c69131a3d4afef8f87f190503afde4003ecb2090920235a805ef9
connection timeout
trying connection 142.134.202.189:16666 lastseen=21.8hrs
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
connection timeout
trying connection 151.224.68.90:16666 lastseen=34.7hrs
connection timeout
trying connection 54.148.124.35 lastseen=0.0hrs
received block 18e5c39120f38de3aa84
ERROR: CheckProofOfStake() : INFO: read txPrev failed
WARNING: ProcessBlock(): check proof-of-stake failed for block 18e5c39120f38de3aa8421df3548c9b64746e509d0c3316ff43b656264d3100f
connection timeout
I thought DarkSilk this is a continuation of Silkcoin, isn't it?