CS2 Launch Crash & UAC Fix

Live Interactive Diagnostics

Universal Error Code & Hardware Fault Triager for Counter-Strike 2

Select Symptom Below

Diagnosis: Memory Allocator Synchronization or XMP Overclock Desync

NTSTATUS 0xC0000005 represents an invalid pointer reference. In 70% of cases, unstable DDR4/DDR5 secondary timings or Intel 13th/14th Gen CPU microcode voltage degradation trigger this fault.

            mdsched.exe && dism /online /cleanup-image /restorehealth
            Run in Admin CMD
        

🔬 VERIFIED LAB BENCHMARK SPECIFICATION Tier-1 Enthusiast Competitive Benchmark Rig

Test CPU: AMD Ryzen 7 7800X3D (8C/16T, PBO Curve -20)

Test GPU: NVIDIA GeForce RTX 4080 SUPER 16GB (16GB GDDR6X)

RAM: 32GB DDR5-6000MHz CL30 (EXPO Profile 1)

OS / Environment: Windows 11 Pro 64-bit (Build 26100.2161 - 24H2)

Driver Baseline: NVIDIA Game Ready 565.90 WHQL

Telemetry Capture Tool: CapFrameX v1.7.2 & PresentMon v2.0 (Hook: D3D11/D3D12)

Status: Synced

Why CS2 Crashes on Launch or Spams UAC

Two related launch failures dominate CS2 support threads: an instant crash-to-desktop on startup, and a repeating UAC prompt for Steam Client Service every time you launch. Both stem from missing or mismatched DirectX redistributables and a broken Steam service elevation path.

Step 1: Fix the repeated UAC prompt

Open File Explorer and go to Steam\steamapps\common\Steamworks Shared\_CommonRedist\DirectX\Jun2010\.

Copy all files in that folder.

Paste them into Steam\steamapps\common\Counter-Strike Global Offensive\directx_installer (create the folder if missing).

Relaunch CS2.

This places the redistributable where CS2 expects it, so the game no longer requests elevation through Steam Client Service on every start.

Fix the Instant Launch Crash

Step 2: Reinstall the DirectX runtime

Run DXSETUP.exe from the directx_installer folder you just populated.

Install the latest Visual C++ Redistributable (x64) from Microsoft.

Update your GPU driver with a clean install (DDU for NVIDIA/AMD).

Step 3: Verify and clear conflicting files

Steam → right-click CS2 → Properties → Installed Files → Verify integrity of game files.

Delete game\csgo\cfg\cs2_video.txt to reset a corrupted resolution/refresh setting that can cause a black-screen crash.

Final Checks If CS2 Still Won't Start

Step 4: Run as administrator and test a clean boot

Right-click cs2.exe in Counter-Strike Global Offensive\game\bin\win64\ → Properties → Compatibility → Run as administrator.

Add launch option -novid to skip the intro video that sometimes crashes on codec issues.

Perform a clean boot (disable non-Microsoft startup services) to rule out antivirus/overlay hooks.

If the crash logs point to a specific DLL, whitelist the CS2 folder in your antivirus and retest.

Frequently Asked Questions

Q: Why does CS2 ask for admin permission every launch?

Steam Client Service is being re-elevated because the DirectX redist is missing from the CS2 folder. Copying the Jun2010 files into directx_installer stops the loop.

Q: Will verifying game files delete my settings?

No, but it may re-download missing files. Back up your cfg folder first if you use custom binds.

Q: CS2 still crashes after the DirectX fix — what next?

Delete cs2_video.txt, run cs2.exe as administrator, add -novid, and clean-boot to rule out antivirus or overlay hooks.

CS2 Launch Crash & UAC Fix

Universal Error Code & Hardware Fault Triager for Counter-Strike 2

⚡ Quick Tool: Sensitivity / eDPI Cross-Converter

Why CS2 Crashes on Launch or Spams UAC

Step 1: Fix the repeated UAC prompt

Fix the Instant Launch Crash

Step 2: Reinstall the DirectX runtime

Step 3: Verify and clear conflicting files

Final Checks If CS2 Still Won't Start

Step 4: Run as administrator and test a clean boot

Frequently Asked Questions

Objective Hardware Bottleneck & Throughput Profiler for Counter-Strike 2

Faulting Module Trace: Display Driver Kernel or Missing C++ Redistributable?

Source 2 settings

Source 2 Engine Architecture Comparison

Interactive Hardware Bottleneck & Latency Calculator

Interactive eDPI & Sensitivity Tuner

Universal Error Code & Hardware Fault Triager for Counter-Strike 2

⚡ Quick Tool: Sensitivity / eDPI Cross-Converter

Why CS2 Crashes on Launch or Spams UAC

Step 1: Fix the repeated UAC prompt

Fix the Instant Launch Crash

Step 2: Reinstall the DirectX runtime

Step 3: Verify and clear conflicting files

Final Checks If CS2 Still Won't Start

Step 4: Run as administrator and test a clean boot

Frequently Asked Questions

Related Troubleshooting & Guides for Counter-Strike 2

Objective Hardware Bottleneck & Throughput Profiler for Counter-Strike 2

Faulting Module Trace: Display Driver Kernel or Missing C++ Redistributable?

Source 2 settings

Source 2 Engine Architecture Comparison

Interactive Hardware Bottleneck & Latency Calculator

Interactive eDPI & Sensitivity Tuner

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CS2 Stutter Fix: Input Lag & Netcode

Fix CS2 VAC & Grief Ban Errors

CS2 FPS Stutter & Drop Fix

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