Custom Program to stop Homepages changing - repost

Avg Bid (GBP)
Project Budget (GBP)
£20 - £250

Project Description:
Hello, I need someone to either write or recommend a software to stop my customers homepages from changing (like Google Does)

I need to be able to stop other programs and websites changing homepages to theirs. I.e a message to come up to tell my customer that program or website x is trying to change their homepage.

This needs to work with Explorer, Firefox and Google Chrome.

Skills required:
PHP, Software Architecture, Software Testing, Website Management
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£ 250
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