There is a problem one might encounter with iTunes, which is the ’1013 error’, generating when user tries to update to iOS 4.3.2. But for those user who are unaware of how to fix that issue we are going to teach you step by step process for solving this error in this post.

How To Solve Error 1013:

You can actually fix the error of 1013 with TinyUmbrella. Just follow our steps below to solve this error.

Step 1: 

Download TinyUmbrella for Mac or Windows

Step 2: 

Windows 7 and Windows Vista users need to do the following before launching TinyUmbrella after it has finished downloading.

• Right click TinyUmbrella.exe and open Properties
• Click on the Compatibility tab
• Select “Run this program in compatibility mode for” and choose Windows XP Service Pack 3 from the drop down menu.
• Select “Run this program as an administrator”
• Click Apply and OK

Step 3: 

Launch TinyUmbrella. Open Advanced tab. Deselect “Set Hosts to Cydia on Exit” option.

Step 4: 

Apply the changes and exit TinyUmbrella. Now restart your Mac or Windows computer.

Manual Methods:

To Fix iTunes Error 1013 On Mac Using Hosts File:

Step 1: Open Finder
Step 2: Press and Hold COMMAND + SHIFT keys then press G
Step 3: Type /private/etc/ and click Go
Step 4: in the directory, look for the hosts file
Step 5: Drag it to the desktop and open it in Text Editor
Step 6: Remove any lines that have numbers followed by gs.apple.com and save the changes
Step 7: Drag hosts file back to /private/etc/ folder and when prompted, enter username and password for authentication

 To Fix Error 1013 On Windows Using Hosts File:

Step 1: Locate host file by opening this path: c:\windows\system32\drivers\etc\hosts
Step 2: Drag the file to your desktop. Right click and open with Notepad. Administrator Privileges required.
Step 3: Any lines that have numbers followed by gs.apple.com have to be removed. Save changes after doing that.
Step 4: Drag file back to its original location. Select Yes to rewrite when prompted.