How to stop Autoplay?

1. Start ->Run
2. Type gpedit.msc
3. Computer Configuration --> Administrative Templates --> System
4. Find Turn off autoplay
5. Double Click
6. Select Disabled

To start Autoplay, do the same and in step 6 select Enabled.

How can I post a video response in YouTube?

• Below the video, you will find a box with  "Video responses".
• Click the box to get the link "Post a video response". 
• Click the link (A gray menu bar will appear)
• Select "Choose a video"
  (to select a video you have already uploaded)
  OR
  Select "Upload a video"
  (to upload a video).

My Nokia N70 is not showing contacts from my Sim card. Please help!

You should copy all the contacts from your Sim to N70 phone.

1. Select Sim directory

Contacts > Options > SIM Contacts > SIM Directory.

2. Copy all your SIM contacts to the phone memory, 

Options > Mark/Unmark > Mark all, then Options > Copy to Contacts.