Comodo Cache Builder running non stop Why?????

Have 3 computers 1 windows 8.1 and 2 Vista computer.

From the begging i have had problems with the Cache Builder its always running, on all

All computers have no trace off other Security Suits…iam an computer technician.

This must be some kind off bug…i have had Cis for about 4 years always the same
problem…what is the problem with the cache builder???