Needless to say it needed a complete reset, and then redownload. because there dosen't seem to be a way of doing a selective restore. Its working now. Where should I ask if anyone has a backup editor?

I'm looking for help. As an Windows/Intel programmer designer who's now a curate in the Church of England, I've got an iPhone, coz they are brilliant and never crash. (ROFL) So off to find out what you do when the cache is corrupt, so appstore and safari both crash. Looks like I'll nrrd to core...