This document provides instructions for fixing Mac error code -8086 by renewing the DHCP lease, activating debug mode in Terminal, removing the App Store plist file, updating all applications, and setting cookies permission to normal. The steps include clicking preferences in the network settings, entering commands in Terminal, locating and deleting files, checking for software updates, and adjusting permissions on specific folders. Following these steps could resolve the error.

1. If you’re experiencing Mac apps error you have come at the
right place. Here you’ll find diagnostic information for
fixing error code -8086.

2. Renew the DHCP Lease of your
network connection
(Click System Preferences | Network. Select the network connection you
use. Click Advanced | TCP/ IP | Renew your DHCP Lease.)

3. Activate the debug mode through
Terminal.
a. Open the Terminal.
b. Copy/ paste following command-
defaults write com.apple.appstore ShowDebugMenu -bool true
c. Click the Debug menu, select Clear Cookies.
d. Reset the application by clicking Debug menu and selecting Reset
application. I hope it’ll fix Error Code -8086.

4. Remove the App Store Plist file
There is a good possibility that the file has been corrupt.
(Close App Store program. Locate this directory:
~/Library/Cookies and remove the file named
“com.apple.appstore.plist”)
Update all applications installed in your system. A
system reboot is mandatory in order to finish the update
process. (Click the Apple menu, select Software update. A
new window opens with a list of all available updates. You
may either individually update the applications through
“Update” button, or otherwise update all at once by
clicking “Update All” button. Mac may prompt your Apple
ID and Password. Type the valid values. )
Mac Error Code -8086

5. Set Cookies permission to
normal
In other words, provide read/ write permissions. The
current permissions could be Read-Only. (Parent
folder: ~/Library/Application Support/AppStore/)

6. Set Cookies permission to
normal
In other words, provide read/ write permissions. The
current permissions could be Read-Only. (Parent
folder: ~/Library/Application Support/AppStore/)