Many new users may encounter problems with software not opening when switching from Windows to Mac，Especially after decompressing the RAR file。This is usually caused by a loss of permissions on the executable file。Here is the solution，Take AKVIS ArtWork as an example：

1. Show package contents：

Right click on the software，Select "Show package contents"。

2. Find executable file：

In the window that opens, open "Contents – MacOS”，Find a file like "ArtWork_std" or "Plugin Installer"。They may appear as files of unknown type。

3. Repair permissions using Terminal：

•Open Terminal application。

•Enter the following command：chmod +x （注意chmod后面有一个空格）。

• Drag and drop the file found in the previous step (e.g. "ArtWork_std") into the terminal window，Then press the Enter key。

4. Verify changes：

The terminal will display a message after successfully executing the command，At this point the file icon should have changed to the black icon of the executable file。

5. Reopen the software：

Now，Try reopening the software，It should be able to be used normally。

with these simple steps，You can solve most cases where the software cannot be opened due to permission issues。Hope this helps anyone who is experiencing this issue!

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