How to fix "Mining software closed" errors? (Troubleshooting)

Troubleshooting Core Software Conflicts

1. Mining software often terminates unexpectedly when another GPU-intensive application occupies the same compute resources. Common culprits include video editing suites, machine learning frameworks, and background cryptocurrency miners running under different user sessions.

2. Antivirus or endpoint protection tools may flag mining binaries as suspicious due to heuristic analysis of memory allocation patterns and network behavior. Disabling real-time scanning for the miner’s executable directory sometimes resolves abrupt closures without compromising system security.

3. Overlapping driver versions cause instability—especially when legacy CUDA toolkits coexist with newer NVIDIA Game Ready drivers. A clean driver reinstall using DDU (Display Driver Uninstaller) in safe mode eliminates residual registry entries that interfere with OpenCL or CUDA initialization.

GPU Hardware and Thermal Stability

1. Sustained thermal throttling triggers automatic process termination by the GPU driver to prevent hardware damage. Temperatures exceeding 85°C on AMD RDNA2 or NVIDIA Ampere chips correlate strongly with “Mining software closed” logs, particularly during DAG epoch transitions.

2. Undervolting settings applied via third-party utilities like MSI Afterburner can become unstable after Windows updates or driver changes. Resetting core voltage curves to default values and reapplying adjustments incrementally helps isolate timing-related crashes.

3. Faulty PCIe lanes or insufficient power delivery manifest as intermittent GPU recognition loss. Verifying stable device enumeration in Device Manager across multiple boots—and checking for “Code 43” errors—reveals underlying hardware handshake failures.

Configuration File Integrity and Syntax Errors

1. JSON-based configuration files used by T-Rex, GMiner, or TeamRedMiner reject malformed commas, trailing brackets, or unescaped special characters in wallet addresses. Even a single invisible Unicode character inserted during copy-paste causes silent startup failure.

2. Pool URL typos—such as missing “stratum+tcp://”, incorrect port numbers, or HTTP instead of TCP protocol prefixes—lead to timeout-induced process exit rather than graceful connection rejection.

3. Invalid algorithm identifiers like “ethash” instead of “ethashv2” for newer Ethereum forks result in unrecognized parameter errors that terminate execution before logging any diagnostic output.

Windows Service and Permission Constraints

1. Running miners as standard users on domain-joined machines may trigger Group Policy restrictions that block creation of high-priority threads or access to performance counters required for hashrate measurement.

2. Windows Defender Application Control (WDAC) policies deployed enterprise-wide can block unsigned miner executables regardless of antivirus status. Checking Event Viewer > Windows Logs > AppLocker confirms policy-enforced terminations.

3. Scheduled task configurations that lack “Run with highest privileges” enabled fail to allocate locked memory pages, causing immediate closure upon attempting to load DAG files into VRAM.

Frequently Asked Questions

Q: Does enabling Windows Fast Startup affect mining stability?Yes. Fast Startup prevents full hardware reinitialization during reboot, leading to inconsistent GPU state detection. Disabling it in Power Options resolves sporadic “closed” events after restarts.

Q: Can BIOS settings impact miner uptime?Yes. CSM (Compatibility Support Module) enabled alongside Secure Boot creates conflicts with UEFI-aware mining loaders. Setting boot mode to pure UEFI and disabling CSM stabilizes initialization sequences.

Q: Why does the miner close only when launching via batch file but works fine from command line?Batch files inherit environment variables that may contain conflicting PATH entries pointing to incompatible DLL versions. Launching with absolute paths and clearing inherited variables using “setlocal” mitigates this.

Q: Is there a correlation between Windows page file size and miner crashes?Yes. Insufficient virtual memory allocation—particularly when DAG generation exceeds available RAM—triggers out-of-memory exceptions. Setting a fixed 32GB page file on SSD-backed drives reduces closure frequency during large-epoch transitions.