The Witcher 3: Wild Hunt - Fix umbraoptimizer64.dll, GRB_1_1_api3_x64.dll or NVHairExt_x64.dll is missing errors
TW3 WH
TW3 WH for PC / Windows is finaly released ! You have problem starting the game like: umbraoptimizer64.dll or GRB_1_1_api3_x64.dll or NVHairExt_x64.dll is missing or corrupted ? The first be sure that you have these installed to exclude one reason to worry about and then you can follow our guide if those tool din`t helped you at all.
How to fix this error if downloaded tools from above din`t helped you:
1. Your antivirus is blocking game installer
Fix: Turn off antivirus while installing video game
2. Downloaded game archive is damaged and you need to Verify Integrity of Game Cache from Steam !
Fix: Select game then properties then Verify Integrity of Game Cache and wait to be validated ! See image for more details
3. Maybe your hard disk have a error / bad ?
Fix: Test and fix all hdd errors with this >
comments powered by Disqus
The program can`t start because GFSDK_TXAA_AlphaResolve.win64.dll or steam_api, NvPmApi.Core.win64.dll and steam_api64.dll is missing from your computer. Try reinstalling the program to fix this problem.
The program can`t start because umbraoptimizer64.dll or GRB_1_1_api3_x64.dll is missing from your computer. Try reinstalling the program to fix this problem.
TW3 WH Fix missing files - umbraoptimizer64.dll or GRB_1_1_api3_x64.dll or NVHairExt_x64.dll or GFSDK_ShadowLib.win64.dll or GFSDK_ShadowLib.win64.dll
Tags: TW3 WH umbraoptimizer64.dll, TW3 WH or steam_api, NvPmApi.Core.win64.dll and GFSDK_TXAA_AlphaResolve.win64.dll is missing, TW3 WH file is corrupted, TW3 WH NVHairExt_x64.dll error, TW3 WH umbraoptimizer64.dll or GRB_1_1_api3_x64.dll is missing
TW3 WH for PC
Modes: Singleplayer / Multiplayer
This guide has been created on : 2015-05-15 by IoanaFX