Warzone Crashing on Verdansk After the Season 5 Update? DirectX & KERNELBASE.dll Crash Fix (July 2026)

Warzone crashing on Verdansk since the Season 5 update — a DirectX error naming KERNELBASE.dll the moment the big map loads in? You're not alone, and in most cases it's fixable in under ten minutes. The crash landed with the Season 5 patch that went live Thursday, July 23, 2026, and it has a very specific fingerprint: multiplayer and Resurgence run fine, but the moment Verdansk (and, for a growing number of players, Avalon) tries to load, the game hard-crashes to desktop with a DirectX / KERNELBASE.dll fault. Here's exactly why it happens and how to fix it.

Quick answer: how to stop Warzone crashing on Verdansk (do these in order)

Here's the fix. Work top to bottom and re-test after each step — the shader-cache delete alone clears it for most players:

• Delete your Warzone shader cache. Go to Documents → Call of Duty → players and delete the shader-cache files (s.1.0.cod24). Relaunch, let the shaders rebuild, and re-apply your settings. This is the single most-reported working fix for the post-update DirectX/KERNELBASE.dll crash.
• Turn OFF On-Demand Texture Streaming. Settings → Graphics → set On-Demand Texture Streaming: Disabled. Verdansk streams far more texture data than small maps, and this is the setting that most often stops big-map-only crashes.
• Force DirectX 11 instead of DirectX 12. In the Battle.net/Steam launch options add -d3d11 (or switch the in-game render API). DX11 is more stable on many rigs for this specific crash.
• Clean-install or roll back your GPU driver. Do a clean install of the latest NVIDIA/AMD driver — or, if the crash started with your newest driver, roll back (players report NVIDIA 581.42 as a stable fallback).
• Raise your Windows page file (virtual memory). A KERNELBASE.dll fault is a memory access violation; a bigger page file stops the big-map load spike from crashing you.
• Disable overlays (NVIDIA App/GeForce Experience, Discord, Steam, Xbox Game Bar) and run Scan & Repair (Battle.net) or Verify Integrity (Steam).

If Verdansk still crashes after all six, skip to Still crashing? — this is a live post-Season-5 bug and a hotfix may be required.

Why is Warzone only crashing on Verdansk (and not multiplayer)?

Because the crash is a texture/shader streaming failure on the largest map, not a whole-game problem. Verdansk is the biggest, most texture-dense environment in the game; when the render pipeline tries to stream all of that in at once with a corrupted or mismatched shader cache after a patch, DirectX faults and Windows reports the crash against KERNELBASE.dll — the system library that surfaces the underlying memory access violation.

That's why the pattern is so consistent across the community: 6v6 multiplayer and Resurgence (small maps) load fine, but Verdansk crashes on load-in every time. As the original bug report put it:

"Anyone here on PC crashing only on Verdansk map load in since the update? Does it only on that map in any game mode and get a direct x kernelbase.dll error. Tried verifying and repairing files and also restarting shader install as well." — u/Elitecanuck22, r/CODWarzone

Note the last line: verifying files and reinstalling shaders inside the game did not fix it. That's the key — the fix has to happen at the shader-cache-file level, outside the game, which is why the delete in Step 1 works when an in-game "reinstall shaders" doesn't. The thread crossed 80+ replies within its first day, and several players report the crash has since spread from Verdansk to Avalon — confirming it's the big-BR-map streaming path, not one specific map file.

Fix 1 — Delete the Warzone shader cache (the one that actually works)

This clears the corrupted post-patch shader cache that the in-game "reinstall shaders" option leaves behind.

• Fully close Warzone.
• Open File Explorer and go to Documents → Call of Duty → players.
• Delete the shader-cache files named s.1.0.cod24 (there are usually three related files — delete them).
• For a deeper clean, also open your Call of Duty install directory (…\Call of Duty\_retail_\) and empty the shader-cache subfolders inside the per-mode folders (the cod / mp / wz build folders).
• Relaunch Warzone. Let it rebuild the shaders fully before you queue (this takes a few minutes and is CPU-bound). You'll need to re-apply your graphics settings afterward.

One player on a Ryzen 9800X3D / RX 9070 XT summed up the community result: "I deleted the 3 files and it works fine again." A minority still crash after one game and keep a copy of the files to re-delete on each boot — a workaround until the hotfix, covered below.

Fix 2 — Turn off On-Demand Texture Streaming

On-Demand Texture Streaming pulls high-res textures over the network on the fly. On a map as large as Verdansk it can overwhelm VRAM and trigger the exact DirectX crash you're seeing.

• Settings → Graphics → Quality → set On-Demand Texture Streaming: Disabled.
• While you're there, cap VRAM Scale Target to around 85%, turn V-Sync Off, and disable Ray Tracing for Verdansk. These reduce the load spike at map load-in.
• Re-test on Verdansk specifically — this is a big-map-only setting, so multiplayer won't show you whether it worked.

Fix 3 — Force DirectX 11 instead of DirectX 12

Warzone defaults to DirectX 12, but DX11 is more stable for many setups on this crash — a fix confirmed on the Intel graphics community for the KERNELBASE.dll Warzone crash.

• Battle.net: open Warzone → the gear/settings icon → Game Settings → tick Additional command line arguments and add -d3d11.
• Steam: right-click Call of Duty → Properties → Launch Options → add -d3d11.
• Launch and test. If you're already on DX11 and crashing, try removing the argument to run DX12 — a small number of rigs are the reverse.

Fix 4 — Clean-install or roll back your GPU driver

Patch-day crashes are often a driver + new-build mismatch, and it cuts both ways.

• First, clean-install the latest driver. Use DDU (Display Driver Uninstaller) in Safe Mode, then install the newest NVIDIA/AMD driver fresh — a clean install fixes corrupted driver state that a normal update leaves.
• If the crash started right after your latest driver update, roll back. Multiple players stopped the crash by reverting NVIDIA to an older branch — 581.42 is the version most commonly cited as stable for this issue.
• Reboot after either change before testing.

Fix 5 — Raise your Windows page file (virtual memory)

Because KERNELBASE.dll is a memory access violation, giving Windows more virtual memory stops the Verdansk load spike from crashing you — especially on 16 GB systems.

• Search "View advanced system settings" → Advanced tab → Performance → Settings.
• Advanced tab → Virtual memory → Change.
• Untick Automatically manage, select your game drive, choose Custom size, and set Initial and Maximum to roughly 1.5× your RAM (e.g. 24576 MB on a 16 GB PC).
• Set → OK → reboot.

Fix 6 — Overlays, Scan & Repair, and switching client

Clean up the usual DirectX-crash triggers:

• Disable overlays: NVIDIA App / GeForce Experience, Discord, Steam, and Xbox Game Bar (Windows Settings → Gaming → Game Bar Off). Overlays hook DirectX and are a frequent crash source.
• Scan & Repair / Verify Integrity: run it once to rule out a bad file — but don't be surprised if it doesn't fix this specific crash; many players report the in-client repair leaves the Verdansk crash intact (the shader-cache delete in Fix 1 is what clears it).
• Try the other client: a handful of players found the Steam build stable when the Battle.net build was crashing (or vice-versa). If nothing else works and you own both, it's worth a test.

Still crashing? What this really is

If Verdansk still crashes after all six fixes, understand what you're dealing with: this is a live, post-Season-5 bug that shipped with the July 23 patch and is affecting a wave of PC players — not something wrong with your rig. The spread from Verdansk to Avalon and the fact that fresh reinstalls don't cure it both point to a build-side streaming issue that Activision will need to hotfix.

Until then:

• Keep a saved copy of the s.1.0.cod24 shader files and re-delete them before each boot if the crash returns (a working stopgap several players use).
• Play multiplayer or Resurgence in the meantime — the small maps are unaffected.
• Watch the official channels for the hotfix: the Activision Online Services / support page and the in-game patch notes on callofduty.com are where the fix will be announced.

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Frequently Asked Questions

Why is Warzone only crashing on Verdansk and not multiplayer? Because the crash is a texture/shader streaming failure that only triggers on the largest maps. Verdansk (and Avalon) stream far more texture data at load-in than small 6v6 or Resurgence maps, so a corrupted post-patch shader cache faults DirectX there and Windows reports it against KERNELBASE.dll. Deleting the shader cache (Fix 1) and disabling On-Demand Texture Streaming (Fix 2) target this directly.

What is the KERNELBASE.dll error in Warzone? KERNELBASE.dll is a core Windows system library. When Warzone hits a memory access violation during a DirectX operation, Windows names KERNELBASE.dll as the faulting module — it's the messenger, not the cause. The real trigger here is the shader/texture streaming failure on Verdansk after the Season 5 update, which is why raising the page file and clearing the shader cache resolve it.

I verified my game files and reinstalled shaders in-game but it still crashes — why? Because the in-game "reinstall shaders" option and a file repair don't clear the corrupted shader-cache files sitting in Documents → Call of Duty → players. You have to delete those s.1.0.cod24 files manually (Fix 1) and let the game rebuild them from scratch on the next launch.

Should I use DirectX 11 or DirectX 12 for Warzone? Warzone defaults to DirectX 12, but for this crash DirectX 11 is more stable on many systems — add -d3d11 to your launch options. A small number of rigs are the reverse, so if you're already on DX11 and crashing, test DX12.

Is the Verdansk crash getting a fix from Activision? It's a live bug that shipped with the Season 5 update on July 23, 2026 and is spreading across PC players, so an official hotfix is expected. Until it lands, use the shader-cache delete workaround and check the Activision support page and callofduty.com patch notes for the fix announcement.