Critical
Software
✓ Solution Verified by Community (30+ upvotes)
How to fix error kmode-exception-not-handled in Epson Printer Software
Kernel-mode program generated an exception the error handler didn't catch. Usually a driver issue.
Fix based on community reports and expert analysis. Last verified: 2026-08-12
· How we verify fixes
| Error Code | kmode-exception-not-handled |
|---|---|
| Affected System | Epson Printer Software (Epson) |
| Difficulty | Critical |
| Estimated Time | 20 min |
| Requires Admin Rights | ⚠️ Yes |
| Requires Reboot | 🔄 Yes |
Solution Steps
- 1 Restart Epson Printer Software completely. Close it, open Task Manager (Ctrl+Shift+Esc), find any remaining Epson Printer Software processes, right-click → End Task. Background processes from previous sessions are the most common cause of startup crashes.
- 2 Update Epson Printer Software to the latest version. Open the app, go to Help → Check for Updates (or download the latest installer from the official website). Updates fix known bugs and compatibility issues.
- 3 Reset Epson Printer Software settings. Navigate to %APPDATA%\EpsonPrinterSoftware and rename the settings folder to add '.old'. This forces Epson Printer Software to create fresh settings — corrupted config files cause crashes.
- 4 Run Epson Printer Software as Administrator. Right-click the shortcut → Properties → Compatibility → check 'Run as Administrator'. Some features of Epson Printer Software require elevated permissions.
- 5 Check if Epson Printer Software conflicts with your antivirus. Temporarily disable real-time protection and test. Add Epson Printer Software installation folder to antivirus exclusions.
- 6 Clear Epson Printer Software cache. Navigate to %LOCALAPPDATA%\EpsonPrinterSoftware\Cache and delete all files. Corrupted cache data causes rendering and processing errors.
- 7 Repair Epson Printer Software installation. Windows Settings → Apps → Epson Printer Software → Modify → Repair. This replaces damaged program files while preserving your data.
- 8 If Epson Printer Software still won't work: uninstall from Settings → Apps, restart, reinstall from official website. A clean install is the nuclear option but fixes almost everything.
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