How To Fix Unarcdll Returned An Error Code14 Upd Jun 2026

Check and lower the number to a smaller value (e.g., 4 or 8).

How to Fix "unarcdll returned an error code -14" During Game Installation

Unstable RAM or insufficient virtual memory allocation. how to fix unarcdll returned an error code14 upd

Type the following command and press Enter: regsvr32 %systemroot%\system32\unarc.dll

Also ensure the (where you install the game) is NTFS (not FAT32) and has at least twice the size of the compressed game (e.g., if the game is 40GB compressed, need 80GB free). Check and lower the number to a smaller value (e

The "Unarc.dll returned an error code 14" error is a common issue that Windows users encounter when trying to install or extract files using the Inno Setup installer. This error can be frustrating, especially if you are trying to install a critical software or game. In this paper, we will explore the causes of this error and provide a step-by-step guide on how to fix it.

Type into your Windows search bar, right-click Command Prompt , and select Run as administrator . The "Unarc

Lower the values for both "On battery" and "Plugged in" to to stop automatic CPU overclocking. Limit System Cores for the Installer Press Win + R , type msconfig , and press Enter . Click the Boot tab and navigate to Advanced options . Check the Number of processors box.

Re-run the setup. Many users report the error vanishes immediately.

with an initial and maximum size at least equal to your total RAM (e.g., 8192 MB for 8GB RAM). Limit CPU Cores (msconfig)