This is not damage to the archive, as many users think. In the second case, the message also contains the Unarc.dll library (error code 12), however, as a result, the system indicates the impossibility of unpacking (decompression failed). You should also pay attention to the fact that the archive file may actually be corrupted. If such a failure occurs, then, the archive is simply nedokachan, so it is worth looking for another version of it and downloading it from another resource. How to fix this situation? Yes, it's very simple. Incidentally, the cause of the failure is also described: Unarc.dll returned error code 12. What does this mean? Only that the requested archive is damaged. The first is that the failure description contains a CRC Checksum check error message. Without going into technical details, we will define the two most common situations. Unarc.dll in this case has a link to another dynamic library ISDone.dll. Now let's look at a few specific cases when an installation error occurs. Multiple variants of the causes of the failure However, the error 12 of Unarc.dll mainly occurs when installing non-official distributions that are delivered in an unpacked form, and the so-called manually repacked repack, which often includes many additional or unofficial patches, which, in fact, must be unpacked In the process of installing the main game files. Since we have the error when unpacking Unarc.dll, it is logical to assume that this is due to the decompression of the installation distribution. Let's start with the interpretation of the failure itself. Unarc.dll returned error code 12: what would that mean? What is this failure and how to fix it, now we'll see. The global problem of many gamers when installing a game is the error when unpacking Unarc.dll, which causes the installation to be interrupted almost at the initial stage.

Unarc.dll returned an error code 12