diff --git a/code/datums/mind.dm b/code/datums/mind.dm
index 53230d1f83d..307d3c20445 100644
--- a/code/datums/mind.dm
+++ b/code/datums/mind.dm
@@ -102,6 +102,7 @@
 		leave_all_huds() //leave all the huds in the old body, so it won't get huds if somebody else enters it
 
 		SSnanoui.user_transferred(current, new_character)
+		SStgui.on_transfer(current, new_character)
 
 	if(new_character.mind)		//remove any mind currently in our new body's mind variable
 		new_character.mind.current = null
diff --git a/code/game/machinery/machinery.dm b/code/game/machinery/machinery.dm
index f02e037e8c5..ad164fe720a 100644
--- a/code/game/machinery/machinery.dm
+++ b/code/game/machinery/machinery.dm
@@ -310,6 +310,12 @@ Class Procs:
 
 	return ..()
 
+/obj/machinery/tgui_status(mob/user, datum/tgui_state/state)
+	if(!interact_offline && (stat & (NOPOWER|BROKEN)))
+		return STATUS_CLOSE
+
+	return ..()
+
 /obj/machinery/CouldUseTopic(var/mob/user)
 	..()
 	user.set_machine(src)
diff --git a/code/game/objects/items/devices/radio/radio.dm b/code/game/objects/items/devices/radio/radio.dm
index ed6b0190502..b372727fef7 100644
--- a/code/game/objects/items/devices/radio/radio.dm
+++ b/code/game/objects/items/devices/radio/radio.dm
@@ -621,7 +621,7 @@ GLOBAL_LIST_INIT(default_medbay_channels, list(
 /obj/item/radio/borg/syndicate
 	keyslot = new /obj/item/encryptionkey/syndicate/nukeops
 
-/obj/item/radio/borg/syndicate/CanUseTopic(mob/user, datum/topic_state/state)
+/obj/item/radio/borg/syndicate/tgui_status(mob/user, datum/tgui_state/state)
 	. = ..()
 	if(. == STATUS_UPDATE && istype(user, /mob/living/silicon/robot/syndicate))
 		. = STATUS_INTERACTIVE
diff --git a/code/game/objects/items/devices/transfer_valve.dm b/code/game/objects/items/devices/transfer_valve.dm
index 261b6ba109b..9035207018a 100644
--- a/code/game/objects/items/devices/transfer_valve.dm
+++ b/code/game/objects/items/devices/transfer_valve.dm
@@ -46,7 +46,7 @@
 				w_class = I.w_class
 
 		update_icon()
-		SSnanoui.update_uis(src) // update all UIs attached to src
+		SStgui.update_uis(src) // update all UIs attached to src
 //TODO: Have this take an assemblyholder
 	else if(isassembly(I))
 		var/obj/item/assembly/A = I
@@ -69,7 +69,7 @@
 		add_attack_logs(user, src, "attached [A] to a transfer valve", ATKLOG_FEW)
 		log_game("[key_name_admin(user)] attached [A] to a transfer valve.")
 		attacher = user
-		SSnanoui.update_uis(src) // update all UIs attached to src
+		SStgui.update_uis(src) // update all UIs attached to src
 
 
 /obj/item/transfer_valve/HasProximity(atom/movable/AM)
diff --git a/code/game/objects/objs.dm b/code/game/objects/objs.dm
index 7a56c53f73a..45c2129fc9a 100644
--- a/code/game/objects/objs.dm
+++ b/code/game/objects/objs.dm
@@ -78,6 +78,7 @@
 		else
 			STOP_PROCESSING(SSfastprocess, src)
 	SSnanoui.close_uis(src)
+	SStgui.close_uis(src)
 	return ..()
 
 //user: The mob that is suiciding
diff --git a/code/modules/client/preference/preferences.dm b/code/modules/client/preference/preferences.dm
index 12203b8155f..cdc1a8341d0 100644
--- a/code/modules/client/preference/preferences.dm
+++ b/code/modules/client/preference/preferences.dm
@@ -1191,7 +1191,7 @@ GLOBAL_LIST_INIT(special_role_times, list( //minimum age (in days) for accounts
 			if(!tweak || !istype(gear) || !(tweak in gear.gear_tweaks))
 				return
 			var/metadata = tweak.get_metadata(user, get_tweak_metadata(gear, tweak))
-			if(!metadata || !CanUseTopic(user))
+			if(!metadata)
 				return
 			set_tweak_metadata(gear, tweak, metadata)
 		else if(href_list["select_category"])
diff --git a/code/modules/instruments/objs/structures/_musician.dm b/code/modules/instruments/objs/structures/_musician.dm
index 542859b4aef..df7530a3313 100644
--- a/code/modules/instruments/objs/structures/_musician.dm
+++ b/code/modules/instruments/objs/structures/_musician.dm
@@ -44,4 +44,4 @@
 		return TRUE
 	if(!user)
 		return FALSE
-	return !CanUseTopic(user, GLOB.physical_state)
+	return !tgui_status(user, GLOB.tgui_physical_state)