The rebaseall utility is a convenient way for users that suffer from the
Cygwin rebase problem to rebase their entire system (i.e., all of their
DLLs). The following is a list of known Cygwin applications that are
affected by the rebase problem:
The rebase problem is due to fork() failing when it is unable to load
DLLs in the child at the same address as in the parent. This is caused
by DLLs which have conflicting base addresses.