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icudt49.dll, File description: ICU Data DLL

Errors related to icudt49.dll can arise for a few different different reasons. For instance, a faulty application, icudt49.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.

The most commonly occurring error messages are:

  • The program can't start because icudt49.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting icudt49.dll. The specified module could not be found.
  • Error loading icudt49.dll. The specified module could not be found.
  • The code execution cannot proceed because icudt49.dll was not found. Reinstalling the program may fix this problem.
  • icudt49.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.

In the vast majority of cases, the solution is to properly reinstall icudt49.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

For detailed installation instructions, see our FAQ.




File size





17.13 MB


The ICU Project


MD5: 3f712babd5de5c7fe8d657234139ec85
SHA-1: 3887489497a15493bdd10ea78fd82de5b9244b8e
Zip file size: 6.33 MB

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