pc,
sysxw32dll is a Browser Helper Object from some parasite program or another.
From Control Panel> Internet Options> Advanced uncheck "Enable third party
browser extensions." That should allow IE to open.
Then...
Run CWShredder from http://www.merijn.org/downloads.html It's been
the most helpful with this type of problem. CWShredder is only about 125 KB
so it could be downloaded from another machine onto a floppy disk if
necessary.