What command did you type, exactly? sslstrip ... ?

Titan is right. Load each distro on a separate partition. You can make these partitions with cfdisk, fdisk, or gparted. Then, when you install grub, be sure to (manually) combine each...

As mentioned elsewhere, aircrack-ptw can often crack WEP faster than aircrack-ng. Please include ptw in the final release of BT4. Thanks.

fraktil