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The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums:

First round (tried, but did not work for me):

Open terminal, and type:

sudo find ~ $TMPDIR.. \
         -exec chflags -h nosappnd,noschg,nosunlnk,nouappnd,nouchg,nouunlnk {} + \
         -exec chown -h $UID {} + -exec chmod +rw {} + \
         -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-

Second round (this one did work for me):

• Start up in Recovery mode.
• In recovery mode, launch terminal (from utilities menu)
• Type resetpassword and hit enter (no worries)
• Select your startup volume
• Select relevant user
• At the bottom, under Reset Home Directory Permissions and ACLs, click Reset
• I repeated the last to steps for all users + root
• Restart your computer

The description on Apple Forums is really clear, so if in doubt, go there. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3

The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums:

###First round (tried, but did not work for me):

Note: The command below changes ownership and access rights on all files in your home/user directory and may have unexpected (and harmful) side effects.

Open Terminal, and type:

echo $TMPDIR

If (and only if) you see something like /var/folders/8b/mn2vgjs10gs83krfy1fwxwb80000gp/T/ as a result, run

sudo find ~ $TMPDIR.. \
         -exec chflags -h nosappnd,noschg,nosunlnk,nouappnd,nouchg,nouunlnk {} + \
         -exec chown -h $UID {} + -exec chmod +rw {} + \
         -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-

###Second round (this one did work for me):

• Start up in Recovery mode.
• In recovery mode, launch terminal (from utilities menu)
• Type resetpassword and hit enter (no worries)
• Select your startup volume
• Select relevant user
• At the bottom, under Reset Home Directory Permissions and ACLs, click Reset
• I repeated the last to steps for all users + root
• Restart your computer

The description on Apple Forums is really clear, so if in doubt, go there. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3

The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums:

First round (tried, but did not work for me):

Open terminal, and type:

sudo find ~ $TMPDIR.. -exec chflags -h nosappnd,noschg,nosunlnk,nouappnd,nouchg,nouunlnk {} + -exec chown -h $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-

Second round (this one did work for me):

• Start up in Recovery mode.
• In recovery mode, launch terminal (from utilities menu)
• Type "resetpassword" and hit enter (no worries)
• Select your startup volume
• Select relevant user
• At the bottom, under Reset Home Directory Permissions and ACLs, click Reset
• I repeated the last to steps for all users + root
• Restart your computer

The description on Apple Forums is really clear, so if in doubt, go there. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3

The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums:

First round (tried, but did not work for me):

Open terminal, and type:

sudo find ~ $TMPDIR.. \
         -exec chflags -h nosappnd,noschg,nosunlnk,nouappnd,nouchg,nouunlnk {} + \
         -exec chown -h $UID {} + -exec chmod +rw {} + \
         -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-

Second round (this one did work for me):

• Start up in Recovery mode.
• In recovery mode, launch terminal (from utilities menu)
• Type resetpassword and hit enter (no worries)
• Select your startup volume
• Select relevant user
• At the bottom, under Reset Home Directory Permissions and ACLs, click Reset
• I repeated the last to steps for all users + root
• Restart your computer

The description on Apple Forums is really clear, so if in doubt, go there. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3

The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums.
The first solution did not work, but the second one did.

The description there is very clear, so I won't even try to summarize. Just follow the link. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3

The following worked for me!
Tried all of the previous answers, but none worked.
Then I came across a fix described here on Apple Forums:

First round (tried, but did not work for me):

Open terminal, and type:

sudo find ~ $TMPDIR.. -exec chflags -h nosappnd,noschg,nosunlnk,nouappnd,nouchg,nouunlnk {} + -exec chown -h $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-

Second round (this one did work for me):

• Start up in Recovery mode.
• In recovery mode, launch terminal (from utilities menu)
• Type "resetpassword" and hit enter (no worries)
• Select your startup volume
• Select relevant user
• At the bottom, under Reset Home Directory Permissions and ACLs, click Reset
• I repeated the last to steps for all users + root
• Restart your computer

The description on Apple Forums is really clear, so if in doubt, go there. Hopefully it will help others too.

FYI: All my recent items were gone in all apps, in Apple menu the whole menu item was even gone, and changing in System Preferences from none to whatever kept reverting back to none.
I am on a MacBook Air (early 2014), running El Capitan 10.11.3