How to fix the 1003 error? (solved)

1003 error is caused by software installation or uninstallation, failure to update programs on time, and computer malfunction. The main cause of these error messages is a malfunctioning operating system. In this article, we will discuss how to fix the Windows 1003 error. There are many types of computer errors that can occur. The most common errors include software or system errors, hardware problems, printer connection problems, etc.

Causes of error code 1003

Error 1003 may be caused by damaged or missing system files, bad memory modules, or other unofficially impossible devices in various applications, errors, invalid or corrupt registry entries, or non-compatibility programs. Other potential reasons may include inappropriate disabled systems due to power outages. Software errors can be also caused by malware or malware viruses on your computer. These types of viruses can cause system instability and data loss, and in some cases, you can make your computer unsuitable.

Methods to fix the error 1003

1. Restart Your Computer

Restarting your computer fixes a large number of problems, and there is a reason why restarting is the first way to fix the IT world. In most cases restarting the computer will fix the unknown errors.


Check Disk is the first step to diagnosing your Windows computer. It scans your computer’s file system and tries to fix it locally. CHKDSK checks the integrity of disk partitions by detecting logical file system errors or corrupt entries in the Main File Table. CHKDSK is one of the oldest repair tools integrated with Windows OS. However, over time it has undergone many updates and improvements, thus making it faster and more efficient than its previous versions. Also, this tool is one of the few tools that can optimize drives from floppy disk size to multi-terabyte SSD drive.

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  1. Click Start and then click Run.
  2. Open the command prompt and type cmd in the search box.
  3. Click OK.
  4. Right-click cmd.exe in the search results and then select Run as Administrator.
  5. Type chkdsk and press .

3. Run SFC

SFC can also correct errors in registry data. It uses the same concept of replacing converted files with archived copies. Microsoft introduced SFC first on Windows 98 to prevent users from experiencing problems when important system files are repaired to the point where the OS becomes unstable to use. SFC is a command-line tool that checks that all files are covered by system file protection as they should, and tries to fix those that are not. It is a good practice to use when you suspect that system files have been corrupted in some way, or if you think something is wrong with your system.

  1. Click Start.
  2. In the search bar, type CMD.
  3. Right-click CMD.exe and select Run as Administrator.
  4. On the User Account Control (UAC) prompt, click Yes.
  5. In the command prompt window, type SFC /scannow and press Enter.
  6. System file checker utility checks the integrity of Windows system files and repairs them if required.
  7. After the process is complete, reboot the computer.

4. Update Windows

If there is a known Windows problem, Microsoft will issue a Windows Update fix and fixes the problem. Windows Update also provides corrections and patches for other important things, such as security or outdated files.

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4. System Restore

By performing a system restore which is a process in which the computer will be restored to the original state before installation of any software or hardware. In system restore, the computer backs up a variety of items including files, applications, subscriptions, and settings, to help users deal with a variety of operating system issues. Users create a recurring restore point to try to navigate through various types of system corruption or other problems that can be solved by “reversing over time” related to a computer system. With system restore, we can fix the 1003 error code.

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