nvspcap64.dll Error

The error:

C:\Windows\System32\nvspcap64.dll is either not designed to run on Windows or it contains an error

is related to NVIDIA ShadowPlay / GeForce Experience.
nvspcap64.dll = NVIDIA ShadowPlay Capture Service (used for screen recording, Instant Replay, etc.).

This usually happens because:

Corrupted NVIDIA driver
Broken GeForce Experience installation
Windows update conflict
Mismatched driver version

✅ Fix 1 (Recommended): Clean Reinstall NVIDIA Drivers

This fixes 90% of cases.

Step 1: Uninstall NVIDIA completely

Press Win + R
Type appwiz.cpl
Uninstall:
- NVIDIA Graphics Driver
- NVIDIA GeForce Experience
- NVIDIA PhysX (optional)

Step 2: Use DDU (Clean Removal – Important)

Download:

Display Driver Uninstaller (DDU)

Boot into Safe Mode, then:

Run DDU
Select GPU → NVIDIA
Click Clean and Restart

This removes leftover corrupted files like nvspcap64.dll.

Step 3: Install Latest Driver

Download latest driver from:

https://www.nvidia.com/Download/index.aspx

Install:

Choose Custom Installation
Check Perform a clean installation

✅ Fix 2: Disable NVIDIA ShadowPlay (Quick Temporary Fix)

If you don’t use recording:

Press Ctrl + Shift + Esc
Go to Startup tab
Disable:
- NVIDIA Capture Server Proxy
- NVIDIA Share
- NVIDIA ShadowPlay Helper

Restart PC.

✅ Fix 3: Run System File Check

Open Command Prompt as Administrator:

sfc /scannow

Then: DISM /Online /Cleanup-Image /RestoreHealth

Restart.

✅ Fix 4: Rename the DLL (Last Resort Quick Fix)

Go to: C:\Windows\System32\

Find: nvspcap64.dll

Rename to: nvspcap64_old.dll

Restart.

⚠️ Only do this if reinstall didn’t fix it.

🚨 Why This Happens

Interrupted driver update
Windows update replaced system files
Antivirus interference
Disk corruption

💡 My Recommendation for You

Do a DDU clean uninstall + fresh driver install.
That is the proper long-term fix.

nvspcap64.dll Error