watchdog update

[hesham55]

when im tring to update watch dog the mail tell me:
Download file versions.inf3: 18%..63%..100% done
Download file PSA_7.5.4/plesk-7.5.4-rh9-i386.inf3: 12%..40%..64%..100% done
Checking for system installed packages...done.
Check for components installation status
Reading system installed packages...done.
Download file plesk-7.5.4-rh9-i386.hdr.gz: 10%..21%..30%..40%..50%..61%..70%..80%..91%..100% done
Download file plesk-7.5.4-rh9-i386.hdr.gz: 11%..20%..30%..40%..50%..60%..71%..82%..90%..100% done
Resolve components
ERROR: Impossible do installation while package php-pear-1:4.3.10-3.rh90.art.i386 is installed in system


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Plesk autoinstaller.



Can You Help Me?