Six Ways to Fix the Error "Unarc.dll Returned Error Code - 1"

After downloading RePack from the Internet with a game or program, many users complain about an error that occurs during installation. As a rule, it says: "Unarc.dll returned an error code - 1" or any other number instead of one. In the article, we will analyze six ways to resolve this problem, so read it to the end to accurately solve the problem.

Determining the nature of the error

First we’ll try to figure out why “Unarc.dll returned an error code - 1” at all, and only then we will move on to the solution methods.

It’s worth mentioning right away that this error is related to data unpacking and can be divided into two categories:

1. Error that cannot be fixed.
2. Error that can be fixed.

Now let's take a closer look at these two points.

,

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:

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№2:

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:

, , "Unarc.dll - 14" - . Windows :

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3. "" "...".
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5. "" "".

№4:

, "Unarc.dll - 1", , . , . - .

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, RePack, , - . , , , .

"Unarc.dll - 12", ? - . .

№6:

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:

. .

: ISDone.dll Unarc.dll. ISDone , , Unarc. - C:\Windows\System32 (32- ) C:\Windows\SysWOW64 (64- ). .