Uf, really i don´t know...
If you want to try with this hud_gauges.tbl, i´m using it and runs good with 3840x1024, change the resolution on the launcher and use the "run in a window" option on the Dev tool.
If you have the same problem, may be it comes from other place, i hope it helps...
#Gauge Config
$Base: (3840, 1024)
$Required Aspect: Wide Screen
;$Min: (3840, 1024)
$Gauges:
;Messages
+Messages:
Position: (1286, 5)
+Training Messages:
Position: (1754, 166)
+Multiplayer Messages:
Position: (1290, 319)
+Talking Head:
Position: (1286, 74)
;Comm Menu
+Squad Message:
Position: (2314, 5)
;Objectives
+Escort View:
Position: (2361, 439)
+Directives:
Position: (1286, 370)
+Objective Notify:
Position: (1825, 245)
;Reticle
+Afterburner Energy:
Position: (1622, 564)
+Throttle:
Position: (1712, 358)
+Center Reticle:
Position: (1900, 500)
+Threat Indicator:
Position: (1997, 358)
+Weapon Energy:
Position: (2112, 564)
+Target Brackets: ; Target Brackets, Lock Indicator, Lead Indicator, and Offscreen Indicator don't need a "Position:" field.
+Lock Indicator:
+Lead Indicator:
+Offscreen Indicator:
+Hostile Triangle:
Position: (1920, 515)
+Target Triangle:
Position: (1920, 515)
+Missile Triangles:
Position: (1920, 515)
+Orientation Tee:
Position: (1920, 515)
;Target
+Target Monitor:
Position: (1286, 785)
+Extra Target Data:
Position: (1286, 734)
+Target Shields:
Position: (1645, 891)
+Mini Target Shields:
Position: (1901, 625)
;Player Status
+Damage:
Position: (1830, 81)
+Player Shields:
Position: (2072, 891)
+Kills:
Position: (2380, 830)
+ETS Retail:
Position: (2380, 911)
;Wingmen & Support
+Wingman Status:
Position: (2445, 192)
+Support:
Position: (1854, 710)
;Radar & Targeting
+Radar:
Position: (1794, 785)
;+Radar Orb:
; Position: (1794, 785)
+Auto Target:
Position: (2480, 862)
+Auto Speed:
Position: (2480, 894)
;Weapons
+Countermeasures:
Position: (2380, 801)
+Weapons:
Position: (2380, 698)
;Warnings
+Text Warnings:
Position: (1920, 366)
+Supernova:
Position: (1492, 226)
;Mission Info
+Mission Time:
Position: (2491, 952)
;Multiplayer
+Voice Status:
Position: (1290, 339)
+Ping:
Position: (2400, 5)
+Lag:
Position: (2064, 704)
$End Gauges
#End