How to Find My Computer Serial Number?

Most computers purchased from manufacturers like IBM, Dell, Acer, HP, etc. comes with a serial number (or service tag) and a model name at the back of it. But if you ever loose this information, then you can use MS-DOS commands to retrieve the information.

To retrieve serial number of the computer run the following command

wmic bios get serialnumber

To retrieve model name of the computer run the following command

wmic csproduct get name

How to fix PayPal Error: "We were unable to decrypt the certificate id."?

The error "We were unable to decrypt the certificate id." is a very common problem when posting a code generate by PayPal buttons.

Cause:
When you copy a generated button code from the PayPal then directly paste is onto your post, some of the HTML Code will be scrambled.

Solution:

1. Copy and paste the given code to your notepad.
2. Edit the code. (Make sure that the code is written in one line but since the notepad has a length limit, just make sure that there are no spaces between other HTML codes.)
3. Copy and paste the code from the notepad to your post (in HTML View)
4. Save your post.

This solution will work on PayPal Add to Cart, Buy Now, Subscribe, Donate and Buy Gift Certificate buttons.