How to fix
Icudt62.dll is missing error
on Windows

Hello. Please help me with the missing icudt62.dll file error. I need to solve this somehow, but I am not tech savvy to do so alone, and tips online do not list proper solutions. Can I solve this, or am I doomed?

These DLL file errors are pretty common. Users have complained about icudt62.dll is missing error in Windows in online forums.[ref en-1] Programs might fail to start or crash out of nowhere, and the error that the app cannot start due to the missing file appears. This is the common error that can appear when some installations fail on the machine.

DLL is the Dynamic Link Library file that functions with particular programs. When a certain application requires the file, and it is damaged or missing, users see the error, and the app automatically crashes. The particular icudt62.dll is the ICU Data DLL file that was created by ThinkSky for the development of International Components for Unicode. 

The error can appear when the file is deleted or damaged, and the program cannot run or restore the file until it is downloaded again. The particular icudt62.dll is missing error in Windows can be caused by the corrupted Visual Studio 2015 files when those are missing or corrupted. 

The machine can be infected with malware,[ref en-2] and these issues occur due to malware corruption to system files and systems. These damaged system files can cause not only errors, but the corruption of system functions and particular features. Errors can occur after the improper installation of Windows or the general rebooting failure.

It is possible to solve the issue by checking for infected programs and applications, removing threats, or upgrading Windows operating system.[ref en-3] It is possible to run [d1] and solve issues with corrupted or missing files, so try to fix icudt62.dll is missing error in Windows with our tips and instructions.

1. Check for affected files

• Type cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
  

  

  
  
• When User Account Control shows up, click Yes
• Paste the following command and press Enter:
  sfc /scannow
  

  

  
  
• Wait till the scan is finished.
• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

2. Run a malware check

• Type in Windows Security in Windows search and press Enter.
  
• Select Virus & threat protection.
  

  

  
  
• Find and choose the Scan options.
• That can be found under Start actions button.
  
• Select Microsoft Defender Offline scan and click Scan now.
• Your computer will restart after the scan.

3. Install OS updates

• Click Settings from your start menu.
  

  

• Click Update & Security.
• Choose Windows Upgrade from the left panel.
  

  

• Click the Check for updates button.
• Then your computer will check for, download, and install any updates found.

4. Reinstall the problematic app

• Go to Settings using the Start menu or by pressing Windows+I.
• Click on Apps.
  

  

  
  
• Find the required problem application - click it once.
• Select the Uninstall option, and continue following the guide.
• Reboot the software and reinstall it from a verified source.

5. Re-register the file

• Press the Windows and R keys on your keyboard simultaneously.
• Type cmd and press Ctrl+Shift+Enter.
• When prompted, you need to allow the command line to make changes, so click Yes.
• Type or copy the command regsvr32 /u icudt62.dll and then press Enter.
• Now type the command regsvr32 icudt62.dll and then press Enter.
• Close the command line and run the application.