Troubleshooting
My PC keeps crashing every time I open a new app—what to do if your PC keeps crashing starts with checking the obvious before diving into a full reinstall. ⚡ I’ve seen this happen with outdated drivers, overheating, or even background malware masquerading as system errors, and the fix is often simpler than you’d think.
The first step is booting into Safe Mode to rule out software conflicts—half the time, a misbehaving driver or startup program is the culprit. Next, check Windows Event Viewer for error codes (like BSODs or IRQL_NOT_LESS_OR_EQUAL) that pinpoint the exact failure.
If that doesn’t help, a quick malware scan with Windows Defender or Malwarebytes can uncover hidden issues without risking data loss.
You’ll likely resolve the crashes in under 30 minutes by updating drivers, cleaning up disk errors, or adjusting power settings. If the problem persists, we’ll move to deeper diagnostics—like stress-testing hardware or rolling back Windows updates—but start here first. Trust me, skipping these steps means wasting hours on unnecessary reinstalls.
Fair warning: hardware failures (like failing RAM or a dying SSD) won’t budge with software fixes, but they’re rare compared to driver or malware issues. We’ll cover those too, but begin with the five fixes that catch 90% of cases before reaching for the nuclear option.
Why it happens
When your PC keeps crashing, it’s rarely a single random event—it’s usually a systematic failure caused by one (or more) underlying issues. Understanding the science behind these crashes helps you pinpoint the problem faster. Below are the most common culprits, explained in plain terms with actionable insights.
🔥 Overheating Hardware: The Silent Killer
Your PC’s components, especially the CPU, GPU, and RAM, operate at precise temperature thresholds. When they exceed these limits—often due to dust buildup, faulty cooling fans, or inadequate thermal paste—the system triggers a crash to prevent permanent damage. Here’s how it works:
- Thermal Throttling: Modern CPUs (like Intel’s 12th Gen or AMD’s Ryzen 7000 series) automatically slow down performance to cool off. If this fails, a hardware-level reset (crash) occurs.
- GPU Artifacts: Overheated GPUs (e.g., NVIDIA RTX or AMD Radeon) may display graphical glitches or freeze when their VRAM or shader cores fail to stabilize.
- Windows Event Logs: Check Event Viewer > Windows Logs > System for errors like
Event ID 102(thermal event) orEvent ID 124(fatal hardware error).
Pro Tip: Use tools like HWMonitor or Core Temp to monitor temps in real-time. Idle temps should stay below 50°C (122°F), and load temps under 85°C (185°F) for CPUs/GPUs.
💥 Faulty RAM: The Memory Mayhem
RAM (Random Access Memory) is your PC’s short-term workspace. If it develops bad sectors, voltage issues, or timing errors, your system may crash when accessing corrupted data. Symptoms include:
- BSODs with "MEMORYMANAGEMENT" or "IRQL_NOT_LESS_OREQUAL": These errors often point to RAM failure.
- Random freezes during multitasking: Heavy apps (e.g., Photoshop, Blender) stress RAM, exposing instability.
- Windows Memory Diagnostic Tool: Run it via Settings > Update & Security > Recovery > Advanced Startup > Troubleshoot > Advanced Options to test RAM integrity.
Why It Happens: RAM sticks degrade over time due to oxidation, manufacturing defects, or power surges. Even a single faulty module can cause system-wide crashes.
🔌 Driver Conflicts: The Software Time Bomb
Drivers are the translators between your hardware and Windows. Outdated, corrupted, or conflicting drivers (especially for GPUs, chipsets, or storage controllers) can trigger crashes. For example:
- NVIDIA/AMD GPU Drivers: A bug in
nvlddmkm.sys(NVIDIA) oratikmpag.sys(AMD) can cause graphical crashes or BSODs. - Chipset Drivers: Intel’s
iaStorA.sysor AMD’sstorahci.sysmay fail if not updated, leading to storage-related crashes. - Windows Update Rollups: Poorly tested updates can introduce new driver conflicts (e.g.,
WHEAUNCORRECTABLEERROR).
How to Check: Use BlueScreenView to identify the faulting driver in crash dumps.
🖥️ Corrupted System Files: The Silent File Rot
Windows relies on thousands of system files to function. If these get corrupted—due to malware, improper shutdowns, or failed updates—your PC may crash when trying to load critical components. Common triggers:
- Missing DLL Files: Errors like
ntoskrnl.exeorwin32k.sysfailures often stem from corrupted kernel files. - Registry Errors: A damaged Windows Registry (e.g.,
HKEY_LOCAL_MACHINE\SYSTEM) can cause boot loops or crashes. - System File Checker (SFC) Failures: Run
sfc /scannowin Command Prompt (Admin) to detect corruption.
Why It Persists: Windows often hides file corruption until a critical process fails. Example: A corrupted ntfs.sys file may only cause crashes when accessing large files.
🔋 Power Supply Issues: The Underrated Villain
A failing PSU (Power Supply Unit) can cause crashes by delivering unstable voltage to components. Symptoms include:
- Random shutdowns during heavy loads: GPUs/CPUs draw more power, exposing PSU weaknesses.
- Weird noises from the PSU: Buzzing or clicking sounds may indicate failing capacitors.
- Voltage Fluctuations: Use HWMonitor to check for spikes/drops in 12V, 5V, or 3.3V rails.
Science Behind It: A PSU’s capacitors degrade over 3–5 years, leading to inconsistent power delivery. Even a 500W PSU with a failing 12V rail can cause crashes on high-end systems.
Next Steps: Now that you know the why, the fixes in our article will help you target these causes directly—without reinstalling Windows.
How to solve it
When your PC keeps crashing, panic isn’t the answer—action is. Below are targeted solutions mapped to common causes, from quick tweaks to deeper fixes. Follow these steps in order, and you’ll often resolve the issue without a full reinstall.
🔥 Overheating Hardware → Clean & Cool It Down
If your PC crashes randomly or shuts down abruptly, overheating is a top suspect—especially if you hear loud fans or feel warmth near vents.
- 🍳 Step 1: Power Down & Inspect Unplug your PC, open the case, and check for dust buildup in fans and vents. Use compressed air to blow out debris (hold fans still to avoid damage).
- 👨🍳 Step 2: Reapply Thermal Paste Lift the CPU cooler, clean off old thermal paste with isopropyl alcohol, and apply a pea-sized dot of new paste (like Arctic MX-6). Reattach the cooler gently.
- 🥘 Step 3: Monitor Temps Download HWMonitor or Core Temp to check CPU/GPU temps. Ideal idle temps: <30°C; under load: <80°C (CPU), <75°C (GPU). If higher, recheck cooling.
💡 Prevention Tip: Dust your PC every 3–6 months, and ensure fans spin freely. Upgrade to better airflow (e.g., mesh filters, additional case fans) if needed.
🍳 Faulty RAM → Test & Replace Sticks
Crashes during heavy tasks (gaming, video editing) or the infamous Blue Screen of Death (BSOD) with errors like MEMORYMANAGEMENT point to RAM issues.
- 🔪 Step 1: Run MemTest86 Create a bootable USB of MemTest86, boot from it, and let it run for 4+ passes. Errors? Your RAM is faulty.
- ⏰ Step 2: Test One Stick at a Time Remove all but one RAM stick. If crashes stop, swap it with another. The culprit stick is the one that causes instability.
- 🔄 Step 3: Reseat or Replace Remove and reinsert the faulty stick firmly into the slot. If crashes persist, replace it with a compatible kit (check your motherboard’s supported RAM).
💡 Prevention Tip: Avoid mixing RAM brands/speeds. If upgrading, buy matched kits for stability.
👨🍳 Outdated Drivers → Update or Roll Back
Crashes after installing new software or during specific tasks (e.g., gaming) often stem from driver conflicts or outdated versions.
- 🔄 Step 1: Update GPU Drivers Download the latest drivers from NVIDIA or AMD. Use DDU (Display Driver Uninstaller) to clean old drivers first.
- 📦 Step 2: Update Chipset & Storage Drivers Visit your motherboard manufacturer’s site (e.g., ASUS, MSI) and download the latest chipset/storage drivers.
- 🔙 Step 3: Roll Back If Needed If crashes started after an update, open Device Manager (Win + X), right-click the problematic driver (e.g., GPU), and select Properties > Driver > Roll Back Driver.
💡 Prevention Tip: Enable Windows Update to auto-install driver updates, but avoid beta drivers unless necessary.
🥘 Malware or Viruses → Scan & Quarantine
Frequent crashes, slow performance, or unexpected pop-ups suggest malware. Even "harmless" adware can destabilize your system.
- 🛡️ Step 1: Boot into Safe Mode Restart your PC, hold Shift, and click Restart in the power menu. Select Troubleshoot > Advanced > Startup Settings > Safe Mode with Networking.
- 🔍 Step 2: Run a Full Scan Use Malwarebytes (free version) or Windows Defender Offline Scan. Quarantine all detected threats.
- 🧹 Step 3: Check for Rootkits Download TDSSKiller (by Kaspersky) and run a scan for deep-rooted malware.
💡 Prevention Tip: Install an ad-blocker (e.g., uBlock Origin) and avoid pirated software—common malware sources.
⏰ Hard Drive Failures → Check & Backup
If crashes happen during file access or you hear clicking noises ("click of death"), your HDD/SSD may be failing.
- 📊 Step 1: Run SMART Tests Use CrystalDiskInfo to check your drive’s health. Look for Reallocated Sectors or Pending Sectors—high numbers mean failure.
- 🔄 Step 2: Clone or Backup Data If the drive is failing, clone it to a new SSD using Macrium Reflect (free) or EaseUS Todo Backup.
- 🗑️ Step 3: Replace the Drive Swap the failing drive with a new SSD (faster and more reliable). Use Samsung 870 EVO or Crucial MX500 for budget-friendly options.
💡 Prevention Tip: Enable _TRIM_ for SSDs (Windows does this automatically) and avoid filling drives beyond 70% capacity.
Frequently asked questions
Why does my PC crash randomly with no warning?
Random crashes often stem from overheating, faulty RAM, or driver conflicts. Check your CPU/GPU temps using HWMonitor—if they exceed 85°C (185°F) under load, your cooling system needs attention. For RAM issues, run MemTest86 to detect errors. Driver conflicts frequently trigger crashes after updates, so roll back problematic drivers via Device Manager.
What should I do if I see a Blue Screen of Death (BSOD)?
First, write down the error code (e.g., IRQL_NOT_LESS_OR_EQUAL)—it points to the root cause. Restart in Safe Mode to prevent further crashes, then check Event Viewer for details. If the BSOD mentions memory management, test your RAM. For driver-related errors, update or roll back the faulty driver using Device Manager. Pro tip: Use BlueScreenView to analyze crash dumps.
Can outdated Windows updates cause crashes?
Yes! Poorly tested Windows updates (especially feature updates) can introduce bugs that trigger crashes. If crashes started after an update, roll back via Settings > Update & Security > Recovery > Advanced Startup. Alternatively, use System Restore to revert to a stable state. For persistent issues, disable automatic updates temporarily while investigating other causes.
Is it safe to reinstall Windows if my PC keeps crashing?
Reinstalling Windows is a last resort. First, try System File Checker (sfc /scannow) and DISM (Deployment Image Servicing and Management) to repair corrupted system files. If hardware (like RAM or storage) is failing, reinstalling won’t help—replace the faulty component instead. Only reinstall if you’ve ruled out software/driver issues and crashes persist. Backup your data first!
How do I know if my power supply is causing crashes?
Watch for crashes during heavy loads (gaming, rendering) or weird noises from your PSU. Use HWMonitor to check for voltage fluctuations in the 12V, 5V, or 3.3V rails. If readings spike or drop erratically, your PSU may be failing. Test with a known-working PSU if possible, or monitor temps/performance after cleaning dust from the PSU’s vents. A failing PSU can damage other components if ignored.