I've got a file thats password protected and i cant open it (it is my file)

if i type any other word in the password box it displays rar cannot be opened but if i put in the right password i get this message:
! K:\Misc\SIMG0437.RAR: The file "¦®uòµ-4s-Ȥ Ø:¦+ '¢-írÂ7qÈcÌÅ$ïh-@ôW»ÛQÍ»Ëc[¾_÷ë-¬¼YÜn@MPiÁÊ7&M+¶@~_+ )äX"NW{niq}¡ªJÊW7'í+ySîüf+ðr%Su_+fMvª2í+>±¨+ô¦³
Æ+,¤Ñ©Ð«[ÅÈ©ó(¸m¨é60¢Xd}¦q^+ðÕÃÔ-äëõ¼)i2{¦¦_¦\1xçs
ëi[J¸Ll{è®Ú¡'¦³4#¯ô¦ÉºüM×IßåÞ¤b0ä^ÎÕVùtÏ· y̯++¦ƒÆõ3- ???" header is corrupt
! K:\Misc\SIMG0437.RAR: CRC failed in the encrypted file K:\Misc\SIMG0437.RAR (wrong password ?)
any help peeps?

thanks in advance..

SP][KE