He used copyrighted software to create his website, and he did not know that doing so was haraam
Question

                I have created a site for my orginisation but i used a downloaded copywrited software to create it. When i created it i did not know that it was haram to download copywrited softwares. My question is can i keep the website and modify it with a free program or so i need to remove all the files and start over?
Praise be to Allah.
    It is not permissible to use tricks to download or copy 
    programs and discs whose authors have not given permission to download them 
    or copy them for free. That is because copyright is recognized. This has 
    been discussed previously in several answers, including the following: no.
    95173, no.
    72848, no.
    102352. We have explained that 
    this is a general principle, but there may be exceptions to that in some 
    cases:

    1 – If it is not available in the marketplace; in that case 
    it is permissible to copy it for personal use or charitable distribution, 
    and it is not to be sold or profited from.

    2 – If there is a great need for it and the owners are 
    demanding more for it than it is worth, and they have already made enough 
    money to cover their costs with a reasonable amount of profit, and that is 
    something to be decided by experts. In that case it is permissible to copy 
    it for personal use, not with the aim of selling it.

    3 – If these disks 
    belong to a company in a state that is at war against the Muslims, there is 
    nothing wrong with copying them, because those whose rights are to be 
    respected are: Muslims, non-Muslims living under Muslim rule, and 
    non-Muslims with whom the Muslims have a peace treaty – not non-Muslims who 
    are in a state of war against the Muslims. 

    Based on that, if what you used comes under the heading of 
    one of these exceptions, then there is no blame on you. 

    If that is not the case, then you have to ask Allah for 
    forgiveness and repent, and contact the authors of the program and ask for 
    their forgiveness. If they insist on the price of the program, then look at 
    the original copy and pay its price, and keep your website. 

    And Allah knows best.