When you install a game or program popps up with the error of unarc.dll? It indicates a problem with unpacking of files. Most often this error can be seen in applications that use the installer Inno Setup.

To fix the error, you must first identify the cause:

  • Broken archive
  • Cyrillic in the path to the file
  • Missing unarc.dll
  • Problems with RAM

The first thing you need to check is the integrity of files. If it is possible to download it from another source, be sure to use it. Let’s see if there are Russian letters in the path to the files. If so, replace them with Latin, to correct the error. For example, a folder with the installer called “Игры”, rename it to “Games” and repeat the installation process. If these manipulations have not been successful, then it is likely that the library unarc.dll has been deleted or moved. So to resolve this error, it needs to be restored. Download file unarc.dll for Windows 7 x64, x32 and Windows 8 and 10 from our website. It needs to be put in a certain place, which depends on the type of system. To see the bitness of your copy of Windows visit in control Panel->System. There under “system Type” you can find whether 32 or 64 system you have. 32-bit Windows folder for the dll is C:\Windows\System32 and in 64  – find C:\Windows\SysWOW64. When you put the file in the correct location, register it and restart the system.

If the error POPs up even after installing the library, then it could be the problem with RAM. If you are not familiar with the insides of the computer then leave it to consult a specialist. If you know what RAM is and where it is, you can try to solve the problem yourself. For this you need to leave 1 of it and try to install the problematic program, and so until then, until the error disappears. Thus it is possible to identify problem RAM and get rid of the error unarc.dll.

Download unarc.dll

  • OS Windows XP, Vista, 7, 8, 10
  • Bit 32/64bit
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