Get him to come to the forums and post his console log.
I'll be doing this for him so i'll convey the info for him. just ask for anything you need and i'll be happy to provide it. Here is the Console Log
AnalyticsBackgroundThread started
FTBLaunch starting up (version 1.4.7 Build: 10407)
OS: Windows 8.1 6.3 (64-bit)
Launcher Install Dir: C:\Users\Hexevo\Downloads\versions\
System memory: 4968M free, 7368M total
The FTB Launcher has found the following Java versions installed:
Java Version: 1.7.0_45 sorted as: 1.7.0_45 32 Bit Java at : C:\WINDOWS\SysWOW64\java.exe
Java Version: 1.7.0_51 sorted as: 1.7.0_51 32 Bit Java at : C:\Program Files (x86)\Java\jre7\bin\java.exe
Java Version: 1.7.0_71 sorted as: 1.7.0_71 64 Bit Java at : C:\Program Files\Java\jre7\bin\java.exe
Java Version: 1.7.0_71 sorted as: 1.7.0_71 64 Bit Java at : C:\Program Files\Java\jre7\bin\java.exe
Preferred: Java Version: 1.7.0_71 sorted as: 1.7.0_71 64 Bit Java at : C:\Program Files\Java\jre7\bin\java.exe
[i18n] Fallback enUS loaded
[i18n] enUS English (US) language file loaded!
Checking installation location
Balance has selected Automatic:CurseCDN
Loading user data
Using download server Automatic:CurseCDN on host
ftb.cursecdn.com (198.41.208.102)
Creating Console window
Creating main window
Local Authlib Version is good, skipping Download
Adding Authlib to Classpath
[i18n] Added 0 enUS to options pane
[i18n] Added 1 cyGB to options pane
[i18n] Added 2 daDK to options pane
[i18n] Added 3 deDE to options pane
[i18n] Added 4 enUS to options pane
[i18n] Added 5 enGB to options pane
[i18n] Added 6 esES to options pane
[i18n] Added 7 fiFI to options pane
[i18n] Added 8 frCA to options pane
[i18n] Added 9 frFR to options pane
[i18n] Added 10 itIT to options pane
[i18n] Added 11 nlNL to options pane
[i18n] Added 12 noNO to options pane
[i18n] Added 13 maHU to options pane
[i18n] Added 14 ptBR to options pane
[i18n] Added 15 ptPT to options pane
[i18n] Added 17 svSE to options pane
[i18n] Added 16 ruRU to options pane
[i18n] Added 18 zhCN to options pane
[i18n] enUS English (US) language file loaded!
Setting up Launcher
Downloading pack data
Failed to load modpacks, loading from backup: java.io.FileNotFoundException: C:\Users\Hexevo\AppData\Local\ftblauncher\ModPacks\modpacks.xml (Access is denied)
Loading modpack information for modpacks.xml...
Adding FTB Pack: 1 (Infinity 1.7)
Adding FTB Pack: 2 (Direwolf20)
Adding FTB Pack: 3 (Pax South 2015 Map)
Adding FTB Pack: 4 (Resurrection)
Adding FTB Pack: 5 (Monster)
Adding FTB Pack: 6 (Direwolf20)
Adding FTB Pack: 7 (Alpha FTBLite 3)
Failed to load modpacks, loading from backup: java.io.FileNotFoundException: C:\Users\Hexevo\AppData\Local\ftblauncher\ModPacks\thirdparty.xml (Access is denied)
Loading modpack information for thirdparty.xml...
Adding FTB Pack: 8 (Alpha FTB Mage Quest)
Adding FTB Pack: 9 (Horizons)
loading map information...
loading texture pack information...
Adding FTB Pack: 10 (Tech World 2)
Adding FTB Pack: 11 (Magic World 2)
Adding FTB Pack: 12 (FTBLite2)
Adding FTB Pack: 13 (FTB Unleashed)
Adding FTB Pack: 14 (FTB Ultimate)
Adding FTB Pack: 15 (Unstable 1.7.x (Public Beta Test Pack))
Adding FTB Pack: 16 (FTB Lite)
Adding FTB Pack: 17 (Direwolf20 1.5 v2)
Adding FTB Pack: 18 (Direwolf20 Pack)
Adding FTB Pack: 19 (MindCrack Pack)
Adding FTB Pack: 20 (YogCraft Modpack)
Adding FTB Pack: 21 (FTB Unhinged)
Adding FTB Pack: 22 (Magic World)
Adding FTB Pack: 23 (Tech World)
Adding FTB Pack: 24 (Pax Prime 2014 Map)
Adding FTB Pack: 25 (Pax East 2014 Map)
Adding FTB Pack: 26 (Pax Challenge Pack 2013)
Adding FTB Pack: 27 (Feed The Beast Retro SSP)
Adding FTB Pack: 28 (Feed The Beast Retro SMP)
Adding FTB Pack: 29 (Slow's Stream Pack)
Adding FTB Pack: 30 (Feed The Beast Beta Pack A)
Adding Third Party Pack: 1 (Blast Off!)
Adding Third Party Pack: 2 (Material Energy^4)
Adding Third Party Pack: 3 (TolkienCraft II)
Adding Third Party Pack: 4 (Running Red 2: Vampire Money)
Adding Third Party Pack: 5 (The Dark Trilogy)
Adding Third Party Pack: 6 (Crash Landing)
Adding Third Party Pack: 7 (Agrarian Skies: Hardcore Quest)
Adding Third Party Pack: 8 (Material Energy^3)
Adding Third Party Pack: 9 (Test Pack Please Ignore)
Adding Third Party Pack: 10 (Running Red)
Adding Third Party Pack: 11 (EPiCCRAFT)
Adding Third Party Pack: 12 (BloodNBones)
Adding Third Party Pack: 13 (Magic Farm 2:Adventures in Technology)
Adding Third Party Pack: 14 (Vanilla Minecraft)
Opening main window
Adding map 1 (FTB Trident Default Map)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 2 (Agrarian Skies Default Map)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 3 (Agrarian Skies Flat Map)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 4 (Agrarian Skies Server Map)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 5 (Direwolf20 Map Ep.0)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 6 (FTB Pax Challenge)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 7 (Direwolf20 Map Ep.0)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 8 (Direwolf20 Map Ep.10)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 9 (Direwolf20 Map Ep.20)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 10 (Direwolf20 Map Ep.30)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 11 (Direwolf20 Map Ep.40)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 12 (Direwolf20 Map Ep.50)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 13 (Direwolf20 Map Ep.80)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 14 (FTB Normal)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding map 15 (FTB Insanity)
Unhandled exception in Thread[AWT-EventQueue-0,6,main]: java.lang.NullPointerException
Adding texture pack 1 (Soartex Fanver)
Adding texture pack 2 (Jadedcat Mixpack)
Adding texture pack 3 (Invictus)
Adding texture pack 4 (Faithful)
Adding texture pack 5 (JohnSmith Technicians Remix)
Adding texture pack 6 (Familiar yet Different