Report not found Error (0x8000FFFF)

Hello Guys

I was installed Symantec DLO 7.6 and the platform is running but the reports is not can execute by a problem with CFR.DLL. When I running a report this have a messages of error:

Éxample:

An error ocurred while running the report ´Percentage Backup. Please check that the report file ´DLOPercentagebackupspeweek_en.rdl´ is correctly installed. (0x8000FFFF)

I can not resolved the problem ):

Thanks for your comments