The options should reside in C:\Users\Bollocks\Documents\OpenXcom\options.cfg
You can try setting
options:
displayWidth: 1280
displayHeight: 720
fullscreen: false
asyncBlit: true
keyboardMode: 1
maxFrameSkip: 0
traceAI: false
verboseLogging: false
StereoSound: true
geoscapeScale: 4
battlescapeScale: 4
useScaleFilter: false
useHQXFilter: false
useXBRZFilter: false
useOpenGL: false
checkOpenGLErrors: false
useOpenGLShader: Shaders/5xbr_squared.opengl.shader
vSyncForOpenGL: true
useOpenGLSmoothing: true
debug: false
debugUi: false
soundVolume: 51
musicVolume: 31
uiVolume: 39
language: en-US
battleScrollSpeed: 9
battleEdgeScroll: 2
battleDragScrollButton: 2
dragScrollTimeTolerance: 300
dragScrollPixelTolerance: 10
battleFireSpeed: 16
battleXcomSpeed: 16
battleAlienSpeed: 11
battleNewPreviewPath: 3
fpsCounter: false
globeDetail: true
globeRadarLines: true
globeFlightPaths: true
globeAllRadarsOnBaseBuild: true
audioSampleRate: 44100
audioBitDepth: 24
Or you can try replacing it with mine https://dl.dropboxusercontent.com/u/63152810/options.cfg
The game doesn't seen to be taking its ques from the options.cfg file in the openxcom/users folder. You can see my options.cfg file below. Note that fullsceen is set to false, yet it always plays in fullscreen, except from the install auto start up.
mods:
- active: true
id: xcom1
- active: false
id: xcom2
options:
FPS: 60
FPSInactive: 30
StereoSound: true
aggressiveRetaliation: false
alienBleeding: false
allowBuildingQueue: false
allowPsiStrengthImprovement: false
allowPsionicCapture: false
allowResize: false
anytimePsiTraining: false
asyncBlit: true
audioBitDepth: 16
audioChunkSize: 1024
audioSampleRate: 22050
autosave: true
autosaveFrequency: 5
battleAlienSpeed: 30
battleAutoEnd: false
battleConfirmFireMode: false
battleDragScrollButton: 2
battleDragScrollInvert: false
battleEdgeScroll: 2
battleExplosionHeight: 0
battleFireSpeed: 6
battleHairBleach: true
battleInstantGrenade: false
battleNewPreviewPath: 0
battleNotifyDeath: false
battleScrollSpeed: 8
battleSmoothCamera: false
battleTooltips: true
battleUFOExtenderAccuracy: false
battleXcomSpeed: 30
battlescapeScale: 0
borderless: false
canSellLiveAliens: false
canTransferCraftsWhileAirborne: false
captureMouse: false
changeValueByMouseWheel: 0
checkOpenGLErrors: false
craftLaunchAlways: false
cursorInBlackBandsInBorderlessWindow: false
cursorInBlackBandsInFullscreen: false
cursorInBlackBandsInWindow: true
customInitialBase: false
debug: false
debugUi: false
disableAutoEquip: false
displayHeight: 400
displayWidth: 640
dogfightSpeed: 30
dragScrollPixelTolerance: 10
dragScrollTimeTolerance: 300
fieldPromotions: false
forceFire: true
fpsCounter: false
fullscreen: false
geoClockSpeed: 80
geoDragScrollButton: 2
geoDragScrollInvert: false
geoScrollSpeed: 20
geoscapeScale: 0
globeAllRadarsOnBaseBuild: true
globeDetail: true
globeFlightPaths: true
globeRadarLines: true
globeSeasons: false
includePrimeStateInSavedLayout: false
keepAspectRatio: true
keyBaseSelect1: 49
keyBaseSelect2: 50
keyBaseSelect3: 51
keyBaseSelect4: 52
keyBaseSelect5: 53
keyBaseSelect6: 54
keyBaseSelect7: 55
keyBaseSelect8: 56
keyBattleAbort: 97
keyBattleCenterEnemy1: 49
keyBattleCenterEnemy10: 48
keyBattleCenterEnemy2: 50
keyBattleCenterEnemy3: 51
keyBattleCenterEnemy4: 52
keyBattleCenterEnemy5: 53
keyBattleCenterEnemy6: 54
keyBattleCenterEnemy7: 55
keyBattleCenterEnemy8: 56
keyBattleCenterEnemy9: 57
keyBattleCenterUnit: 278
keyBattleDeselectUnit: 92
keyBattleDown: 274
keyBattleEndTurn: 8
keyBattleInventory: 105
keyBattleKneel: 107
keyBattleLeft: 276
keyBattleLevelDown: 281
keyBattleLevelUp: 280
keyBattleMap: 109
keyBattleNextUnit: 9
keyBattleOptions: 27
keyBattlePersonalLighting: 108
keyBattlePrevUnit: 304
keyBattleReload: 114
keyBattleReserveAimed: 284
keyBattleReserveAuto: 285
keyBattleReserveKneel: 106
keyBattleReserveNone: 282
keyBattleReserveSnap: 283
keyBattleRight: 275
keyBattleStats: 115
keyBattleUp: 273
keyBattleUseLeftHand: 113
keyBattleUseRightHand: 101
keyBattleVoxelView: 291
keyBattleZeroTUs: 127
keyCancel: 27
keyFps: 288
keyGeoBases: 98
keyGeoDown: 274
keyGeoFunding: 102
keyGeoGraphs: 103
keyGeoIntercept: 105
keyGeoLeft: 276
keyGeoOptions: 27
keyGeoRight: 275
keyGeoSpeed1: 49
keyGeoSpeed2: 50
keyGeoSpeed3: 51
keyGeoSpeed4: 52
keyGeoSpeed5: 53
keyGeoSpeed6: 54
keyGeoToggleDetail: 9
keyGeoToggleRadar: 114
keyGeoUfopedia: 117
keyGeoUp: 273
keyGeoZoomIn: 43
keyGeoZoomOut: 45
keyInvApplyTemplate: 118
keyInvAutoEquip: 122
keyInvClear: 120
keyInvCreateTemplate: 99
keyOk: 13
keyQuickLoad: 290
keyQuickSave: 286
keyScreenshot: 293
keyboardMode: 1
language: en-GB
maxFrameSkip: 0
maximizeInfoScreens: false
meetingPoint: false
mousewheelSpeed: 3
musicAlwaysLoop: false
musicVolume: 84
newSeedOnLoad: false
noAlienPanicMessages: false
nonSquarePixelRatio: false
pauseMode: 0
playIntro: true
preferredMusic: 0
preferredSound: 0
preferredVideo: 0
psiStrengthEval: false
retainCorpses: false
rootWindowedMode: false
saveOrder: 3
showFundsOnGeoscape: false
showMoreStatsInInventoryView: false
skipNextTurnScreen: false
sneakyAI: false
soldierDiaries: true
soundVolume: 84
storageLimitsEnforced: false
strafe: false
touchEnabled: false
traceAI: false
uiVolume: 42
useHQXFilter: false
useOpenGL: false
useOpenGLShader: Shaders/Raw.OpenGL.shader
useOpenGLSmoothing: true
useScaleFilter: false
useXBRZFilter: false
vSyncForOpenGL: true
verboseLogging: false
weaponSelfDestruction: false
windowedModePositionX: 0
windowedModePositionY: 0
Also, here is a screen shot just for reference. This is the title screen.