bad service from Capitac bank

I app**** for a loan at Capitac bank <br> and they approved it i used sum of the money thereafter they blocked my account without valid reasons, thy asked me to provide them with confirmation letter of employment i did, but still the account is blocked when i asked them y doing this thy said is a procedure and i must write a letter again and states why m i paying more than 1% of UIF in my salary Damn what kind of service is Capitac bank providing!!! how can thy do investigation after approving my loan and i used sum of the money.the system approved me since i can be able to pay them back. they don't have any rights of asking me y m i paying more 1% of UIF thy not department of labour ,now i cant do my daily basis because they blocked my account.