Cipher challenge

This is an experimental area in which I'll post some Cipher Challenges for you to solve , at the moment it will not be anything fancy , retrieve the plaintext from the following ciphertext and email it to me :

Challenge .1

FUKPGCZHZCI MVZKOC, QBH ZW DTS KR QGBW GM TCIDZTN MVXCWLGAZ QHDSK YP RMKDL RYUTSPQ KDPC NSAGDKHZO PX CYRQDCK AQ AG IBZ P GRIU VBMQ CAK PVOHLBZS WDM RWSDIFAYVX VCKL ABM RHOZGIS ! ST FRDP WQUG. PK UTH STBA INCS PK PT RPRQU UCT CL Z WEBW AYPW XBAOREM JGGUH PS RUO WNM ZRTWDMC BZWDPVRCG PA ZSI PGPV. HSPX SFVI W RFA TTYG NFICKQYKH

Hint 1 : here / Hint 2 : two algorithms