Monday, November 4, 2013

How to authorize or deauthorize your computer with your Apple ID

Authorizing and deauthorizing a computer allows you to manage which computers can sync or use apps, audiobooks, books, music, movies, or other content you've purchased from the iTunes Store.
You can use or sync your purchases from the iTunes Store on up to five different computers (these can be any mix of Macintosh or Windows-compatible computers). When you sync or play an item you've purchased, your computer is "authorized" for purchase using your Apple ID.
To authorize a computer using your Apple ID
  1. Open iTunes
  2. From the Store menu, choose Authorize This Computer. (In earlier versions of iTunes, access this option from the Advanced menu).
  3. When prompted, enter your Apple ID and password, then click Authorize.
To deauthorize a computer using your Apple ID

  1. Open iTunes.
  2. From the Store menu, choose Deauthorize This Computer. (In earlier versions of iTunes, access this option from the Advanced menu).
  3. When prompted, enter your Apple ID and password, then click Deauthorize.
Remember to deauthorize your computer before you sell it, give it away, or get your computer serviced. Also, make sure you deauthorize your computer before you upgrade your RAM, hard disk or other system components, or reinstall Windows. If you do not deauthorize your computer before you upgrade these components, one computer may use multiple authorizations.
To deauthorize all computers associated with your Apple ID
If you need to authorize your new computer and are unable due to already having five authorized computers, you can deauthorize all computers by doing the following:
  1. Click iTunes Store on the left side of iTunes.
  2. If you're not signed in to the store, click the Account button, then enter your account name and password.
  3. Click the Account button again (your Apple ID appears on the button), enter your password, and then click View Account.
  4. In the Account Information window, click Deauthorize All.

Note: You may only use this feature once per year. The Deauthorize All button will not appear if you have fewer than two authorized computers.

Desktop icons are flashing and refreshing periodically on my iMac

All of a sudden, the desktop icons on your 27 inch iMac start flickering almost every minute. To resolve this issue, apply those few steps:

1. Back up all data.

2. Uninstall Google Drive according to the developer's instructions.

3. Uninstall SIMBL as follows.

4. Select Go ▹ Go to Folder… from the Finder menu bar, then enter the following text in the box that opens:
 /Library

5. A folder will open. From that folder, delete the items listed below (some may be absent.) You may be prompted for your administrator login password.

Application Support/SIMBL
InputManagers/SIMBL.bundle
LaunchAgents/net.culater.SIMBL.Agent.plist
ScriptingAdditions/SIMBL.osax

6. Log out and log back in.

Note: Make sure you never reinstall SIMBL. It’s likely to come bundled with another third-party system modfication that depends on it. If you want trouble-free computing, avoid software that makes miraculous changes to other software, especially built-in applications. The only real exception to that rule is Safari extensions, which are mostly safe, and are easy to get rid of when they don’t work. SIMBL and its dependents are not Safari extensions.