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Solving 1646 Error with Window Errors Fixer.
Applies To: Windows 10 | Windows 8 | Windows 7 | Windows Vista | Windows XP


1646 Error is a frequent windows errors which will happen when the computer or laptop software has failed. Many reasons exist why the problem arise, contain having malware, spyware, or application not installing properly.Before it causes serious issues with your computer, we highly recommend that you fix this!


Usually, 1646 Error issue appears while your pc system is unstable and critical system files fail to respond or are getting missing. 1646 Error error occurs if your system lack of regular maintenance. To stop further damage, you should repair this error right away.


There may be various reasons behind 1646 Error error, such as:

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

Download the Windows repair tool

Recommend: To be able to fix your Windows and system error, download and use the SmartPCFixer in the following. This repair tool will locate and identify, and repair Windows faults. After using this software, you can fix 1646 Error" easily, furthermore, your laptop or computer also needs to run faster and smoother.

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 1646 Error automatically?
  • 1. Click the below button to download 1646 Error Error Fixer.
  • 2. Start the Smart PC Fixer tool and make a thorough scan for the computer or laptop.
  • 3. Click [ Fix All ] to get rid of the "1646 Error". Download SmartPCFixer here.

How to fix 1646 Error Manually ?
Step 1. Uninstall Suspicious Software.
  • Press Windows "Start" Button, clicking Control Panel;
  • manually fix 1646 Error

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

  • Choose the program you want to uninstall and right click.
  • 1646 Error fixing step3

Step 2. Run SFC to fix 1646 Error error.
  • Press Win+R button on your keyboard;
  • Type "cmd", press "Enter";
  • Type SFC /SCANNOW in the command window;
  • Press ENTER.

Notice: SFC also called System File Checker, it is a tool in windows that enables users to check for corruptions in windows system files and restore corrupted data files.Do not close this Command Prompt window up until the verification is 100% complete. The scan results will probably be shown after this process is completed.

Step 3, verify whether "1646 Error" has been resolved.
Run your computer under safe mode, and then you possibly receive message from system about whether your error being successfully repaired. If not, you will need apply other solution -- "1646 Error" repairing tool.

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.