CCleaner is a popular system optimization tool, designed to clean up junk files, optimize performance, and protect privacy on a PC. However, there are times when users encounter issues with CCleaner not working properly on Windows 10. If you've found that CCleaner is not responding, failing to launch, or not cleaning as expected, here’s a guide to help you troubleshoot and resolve the issue.
Common Issues with CCleaner on Windows 10
- CCleaner Won’t Open: The program may fail to start after installation or an update. A blank window might appear, or the application might crash immediately.
- Cleaning Process Stalls: Sometimes CCleaner may get stuck during the cleaning process, particularly when scanning for junk files or cleaning the registry.
- Missing Features: Some features, like the registry cleaner or certain system optimizations, may not work as expected.
- Corrupted Installation: CCleaner may stop working properly if its files become corrupted or incomplete.
How to Fix CCleaner Not Working on Windows 10
1. Restart Your Computer
Sometimes, a simple restart of your system can resolve minor issues or conflicts that prevent CCleaner from running. Rebooting clears temporary errors and resets system states, which can help the program function correctly.2. Update CCleaner
Outdated versions of CCleaner may not be compatible with the latest updates of Windows 10. To ensure you’re using the most up-to-date version:- Open CCleaner (if it opens at all).
- Navigate to the "Options" tab and check for updates, or visit the official CCleaner website to download the latest version.
3. Reinstall CCleaner
If CCleaner is still malfunctioning, it might be due to a corrupted installation. To reinstall:- Uninstall CCleaner via Settings > Apps or Control Panel > Programs and Features.
- Restart your PC.
- Download the latest version of CCleaner from the official website and install it again.
4. Check for Conflicting Software
Certain security software or other system optimization tools might conflict with CCleaner. If you have antivirus or firewall software running, try temporarily disabling it and then running CCleaner. Additionally, check for other system cleaning tools that could interfere with CCleaner’s operation.- Disable antivirus/firewall temporarily.
- Try running CCleaner again.
- If it works, add CCleaner to the exclusions list in your antivirus settings.
5. Run CCleaner as Administrator
Running CCleaner with administrative privileges can sometimes resolve issues related to access restrictions or system-level permissions.- Right-click on the CCleaner shortcut and select Run as administrator.
- If prompted, allow the app to make changes to your device.
6. Check for Windows 10 Updates
Windows 10 updates often include important fixes and security patches that can improve system stability and compatibility. Make sure your system is up-to-date:- Go to Settings > Update & Security > Windows Update.
- Click Check for updates and install any available updates.
- After updating, restart your PC and try running CCleaner again.
7. Clear Cache and Temporary Files Manually
In case CCleaner is having trouble cleaning your system, you can manually clear browser cache and other temporary files:- Open the Run dialog by pressing Win + R.
- Type %temp% and press Enter.
- Delete the files in the folder that opens.
- You can also try clearing the cache of your web browsers manually.
8. Disable UAC (User Account Control) Temporarily
User Account Control (UAC) settings might prevent CCleaner from performing certain actions. Disabling UAC temporarily can help, but be cautious and re-enable UAC afterward for security.- Open Control Panel and navigate to User Accounts.
- Click on Change User Account Control settings.
- Lower the slider to Never notify, then restart your PC.
- Afterward, run CCleaner and check if the issue is resolved.
- Don’t forget to restore UAC settings afterward.
9. Check Event Viewer for Errors
If CCleaner fails to open or crashes, you can check Windows Event Viewer for error logs that might offer insights into the issue:- Press Win + X and select Event Viewer.
- Expand Windows Logs and select Application.
- Look for any errors related to CCleaner and note the details.
- Search the error code or message online for further guidance on resolving the issue.