AMD Drops Adrenalin 26.6.4 Driver to Patch Installation Bugs and FSR Crashes
A maintenance update targeting Windows 10 install failures and RX 7000 series instability, though the known issues list suggests the work isn’t done.
AMD has pushed Adrenalin Edition 26.6.4 to Windows 10 and Windows 11, aiming to smooth out two nagging bugs that left users stranded. The update targets an intermittent installation failure that plagued Windows 10 systems and a crash issue tied to FSR 4.1. If you tried rolling out the previous 26.6.2 build and watched it stall mid-install, this patch is your fix.
What’s Actually Fixed
Next, the driver package splits into two distinct builds depending on your Windows Driver Store preference. Veteran tweakers will appreciate the choice, since it prevents forced reboots when you just want to patch a single file. You can install either the 26.10.21.05 main driver or the older 25.10.43.19 variant, both carrying updated Windows Driver Store numbers. The Ryzen AI NPU MCDM driver ships alongside them with the May 7 timestamp. Head here to grab the installer directly from AMD’s support page.
If you need the NPU components alongside your GPU drivers, they’re bundled in the same package. AMD says the FSR 4.1 crash fix resolves the instability that some RX 7000 series owners reported, though the company doesn’t specify which titles were most affected. Installation on Windows 10 finally completes without dropping back to previous builds, which should quiet the forum complaints.
Known Headaches Remain
Let’s be clear: this isn’t a golden release. The known issues list reads like a work in progress. Battlefield 6 is currently tripping up driver timeouts and crashes, especially on the Ryzen AI 9 HX 370. Enable AMD Record and Stream in the same session and you might watch textures melt. However, at the same time, AMD is tracking the Battlefield 6 headaches and says it’s working directly with the developer.
Turn on FSR upscaling or frame generation on an RX 9000 series card and the software will just show them as inactive. It’s a step backward, sure, but stability beats new features when your render farm is throwing errors. Keep in mind that the AI Bundle components might refuse to install in regions where access to GitHub and HuggingFace is throttled. Regional API restrictions have quietly become a quiet plague on modern driver bundles, and this patch is another reminder of how messy software distribution can get.
If you’re hitting texture flickering or render failures in Blender or Maxon Cinema 4D on RX 7000 hardware, AMD’s official advice is to roll back to 26.3.1. Same goes for intermittent Blender crashes. Standard EULA language applies, as usual. You’ll still need to use the AMD Cleanup Utility when downgrading to avoid leftover config conflicts.
It’s a functional maintenance patch rather than a feature drop. The install fix and FSR 4.1 crash resolution will help a specific slice of the user base. If you’re not running Windows 10, hitting the Battlefield 6 bugs, or wrestling with AI rendering tools, you can safely sit this one out. When you do download it, run the cleanup tool first if you’re stepping down from a newer build. The patch is live now. Drop it into your library and weigh the known issues against your current setup.
AMD Software: Adrenalin Edition 26.6.4 Driver Release Notes
