Over 100,000,000 Wonderful Users
Which is the best way to fix 502 Proxy Error 12015 ?
Applies To: Windows 10 | Windows 8 | Windows 7 | Windows Vista | Windows XP


502 Proxy Error 12015 is a frequent windows errors which will happen when your pc program has failed. Many reasons exist why the issue arise, cover having malware, spyware, or application not installing properly.Before it causes serious issues with your computer, we highly recommend that you fix this!


Generally, 502 Proxy Error 12015 issue arises while your pc system is unstable and crucial system files can not respond or are getting missing. 502 Proxy Error 12015 error happens if your system is not being maintained regularly. In case of further damage, it is important to remove this error promptly.


There could be multitudinous causes of 502 Proxy Error 12015 error, including:

  • excessive startup entries
  • registry errors
  • hardware/RAM decline
  • fragmented files
  • needless program installations, etc

Download the Windows repair tool

Recommend: Windows Error like 502 Proxy Error 12015 is easy to fix by applying SmartPCFixer with simple clicks. Download it now and follow below guidance to fix the errors, additionally, it could also increase your system speed and maximize PC performance.

File Size: 6 MB
Compatible: Windows XP, Vista, 7 (32/64 bit), 8 (32/64 bit), 8.1 (32/64 bit), 10
License: Free evaluation version. To unlock all features and tools, a purchase is required.
Downloads: 361,927
How to fix 502 Proxy Error 12015 automatically?
  • 1. Click below button to download SmartPCFixer.
  • 2. Launch the Smart PC Fixer tool and make a detailed scan for your computer.
  • 3. Click [ Fix All ] to kill the "502 Proxy Error 12015". Download SmartPCFixer here.

How to fix 502 Proxy Error 12015 Manually ?
Step 1. Uninstall Recent Installed Application.
  • Click "Start" Button, clicking Control Panel;
  • manually fix 502 Proxy Error 12015

  • Select "Program and Function" option and click;
  • program_win7

  • Choose the program you want to uninstall and right click.
  • 502 Proxy Error 12015 fixing step3

Step 2. Run SFC to fix 502 Proxy Error 12015 error.
  • Press Win+R button on your keyboard;
  • Type "cmd", press "Enter";
  • Type SFC /SCANNOW in the command window;
  • Press ENTER.

Notice: SFC also named System File Checker, it is a tool in windows which allows customers to check out for corruptions in windows system data files and repair corrupted files.Don't close this Command Prompt window till the verification is 100% complete. The scan results will be shown once this process is finished.

Step 3. After above steps, you will receive system messages that inform you system files are recovered successfully. Or else if you are told there are still other errors need to be removed, then you can consider to try next method -- Error Fixer.

Warm Tips
  • You must run as an administrator, no matter what steps you will do about your PC.
  • Depending on your computer windows system, the above steps may be slightly different, but the basic process is mostly the same.