Some of the line numbers in the default popups.ini aren't in order. maroon noticed this in this thread in mIRC Help for an older version, which made me check the default files for 6.33. They show the issue still persists.

Affected parts:

Code:
[bpopup]
...
n9=.Version:/ctcp $$?="Enter nickname:" version
n11=Set Away
...


Code:
[lpopup]
n2=Info:/uwho $1
n0=Whois:/whois $$1
n1=Query:/query $$1
n3=-
...
n6=.Unignore:/ignore -r $$1 1
n6=.Op:/mode # +ooo $$1 $2 $3
n7=.Deop:/mode # -ooo $$1 $2 $3
n6=.Voice:/mode # +vvv $$1 $2 $3
n7=.Devoice:/mode # -vvv $$1 $2 $3
...
n11=.Ban, Kick:/ban $$1 2 | /timer 1 3 /kick # $$1
n11=.Ban, Kick (why):/ban $$1 2 | /timer 1 3 /kick # $$1 $$?="Reason:"
...
n13=.Ping:/ctcp $$1 ping
n16=.Time:/ctcp $$1 time
n15=.Version:/ctcp $$1 version
n17=DCC
...