Thank you Urs for the reply!
For reference, here is the FSX flight plan I imported into EFB:
[flightplan]
AppVersion=9.1.40901
title=EDDV Hannover to ESSA Stockholm Arlanda
description=EDDV, ESSA
type=IFR
routetype=2
cruising_altitude=19000
departure_id=EDDV, N52* 27.61', E9* 41.01', +000183.00
departure_position=1
destination_id=ESSA, N59* 39.12', E17* 55.12', +000137.00
departure_name=Hannover
destination_name=Stockholm Arlanda
waypoint.0=, EDDV, , EDDV, A, N52* 27.61', E9* 41.01', +000183.00,
waypoint.1=EDWW, CEL, , CEL, N, N52* 35.38', E10* 1.77', +000000.00,
waypoint.2=EDWW, DIRBO, , DIRBO, I, N52* 49.93', E10* 50.65', +000000.00, Q282
waypoint.3=EDWW, IRKIS, , IRKIS, I, N53* 14.93', E10* 53.32', +000000.00, Z990
waypoint.4=EDWW, ABMAL, , ABMAL, I, N53* 26.52', E10* 54.72', +000000.00, Z990
waypoint.5=EDWW, RAMAR, , RAMAR, I, N53* 42.65', E10* 56.33', +000000.00, Z990
waypoint.6=EDWW, TOSPA, , TOSPA, I, N54* 6.83', E10* 59.02', +000000.00, Z990
waypoint.7=EDWW, AMICH, , AMICH, I, N54* 12.33', E11* 9.22', +000000.00, P605
waypoint.8=EKDK, MEGAR, , MEGAR, I, N54* 28.10', E11* 38.90', +000000.00, P605
waypoint.9=EKDK, GESKA, , GESKA, I, N54* 37.05', E11* 55.95', +000000.00, P605
waypoint.10=EKDK, KUBIS, , KUBIS, I, N55* 13.38', E12* 28.90', +000000.00, N851
waypoint.11=ESMM, LEBDA, , LEBDA, I, N55* 22.42', E12* 37.72', +000000.00, N851
waypoint.12=ESMM, MOSIN, , MOSIN, I, N55* 33.17', E12* 47.88', +000000.00, N851
waypoint.13=ESMM, GORAX, , GORAX, I, N55* 48.37', E13* 2.43', +000000.00, N851
waypoint.14=ESMM, KEMAX, , KEMAX, I, N56* 7.59', E13* 27.23', +000000.00, N851
waypoint.15=ESMM, NEXIL, , NEXIL, I, N56* 20.35', E13* 43.99', +000000.00, N851
waypoint.16=ESMM, ROXEN, , ROXEN, I, N56* 33.87', E14* 2.00', +000000.00, N851
waypoint.17=ESMM, DEKIK, , DEKIK, I, N56* 45.87', E14* 18.47', +000000.00, N851
waypoint.18=ESMM, BEDOS, , BEDOS, I, N57* 21.59', E15* 7.84', +000000.00, N851
waypoint.19=ESOS, MIKNA, , MIKNA, I, N57* 54.42', E15* 55.32', +000000.00, N851
waypoint.20=ESOS, NILUG, , NILUG, I, N58* 48.95', E17* 53.08', +000000.00, Z226
waypoint.21=, ESSA, , ESSA, A, N59* 39.12', E17* 55.12', +000137.00,
Just wanted to let you know, as I've not had a similar problem in all the time of using EFB (~6 months)