I am unable to boot because of an 'Invalid Boot.ini file'. I have been searching the forum and Microsoft KB and find that there are at least three options for repair - if that's the way to go. 1. Repair existing installation. 2. Manual Repair. 3. Fast Repair. I run XP Home Edition on a removable disk (with 98SE on another one) so although I'm not an expert I'm prepared to have a go. The 98SE is running perfectly (at the moment!). The XP was a clean install on a new machine, and although I'd had major probs initially (resulting in a re-install) I had been up and running for a while when it crashed. I would be really grateful for any help and advice on which would be the best option.