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I was checking my adwords account and surprisingly discovered that there was even not a single impression but 1 click. Yes, no impressions but click

Check the following screenshot:

I tried to see after few days but still no change:

Already mailed to Google but now reply yet.

Update:
Got reply from Google

I understand that you are seeing a click but no corresponding impression
to have caused this. This can happen sometimes, but please be assure you
that an impression happened to
cause the click. The biggest reason for this is the way the Search Query
Report (or in this case, the ‘See Search Terms) works.

Note that with this report, we don’t report every impression that comes in
on
expansions. The number of impressions on these expansions either has to be
‘significant’, or have a click. With that, we don’t always start recording
impressions until the click happens – and even then we don’t always record
it. That report is less about data (impressions, CTR, etc) and more about
showing you expansions your keywords are showing on.

If you would like to use multiple operating systems on your machine then we know we can install in separate drive or same drive or better to say partitioning hard disk. But there is another way to do the job without messing up your hard disk partition. No need to worry about, it is so simple to install/uninstall more than one operating systems on your PC or laptop on the fly!

You need a software named VirtualBox, you will be happy to know that it is an open source software developed by Sun.

Presently, VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista, Windows 7), DOS/Windows 3.x, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.

That means you can install this software on Windows, Linux, Mac and OpenSolaris and install other operating systems by this software, you may have Linux, now install this VirtualBox and you would be able to install Windows 7 easily without messing up your harddisk or partitioning or spending time to install OS. No need USB drive also to test OS like Ubuntu or SuseLinux etc, you may install Windows 7 also. Those who are interested to install Windows 7 on external hard disk they may try using this software. Windows OS generally can not be installed on external hard disk, though by changing some files XP can be installed on external hard disk or USB disk (tested). Although we may not install Windows 7 on external hard disk.

You have to create Virtual hard disk to install Guest OS, but this is also an easier task, follow all steps correctly using Wizards. You may also remove the Virtual hard disk easily

Take a look I am installing more than one operating systems Ubuntu and Debian O/S simultaneously, my machine runs on Windows Vista

From the screen shot hope you understand how you could save time and test as many OS as you would like to run.

Only thing which I did not like is the window size is 800×600, guest OS could not detect my monitor and Display size is smaller, running on 24Bit than 32Bit color quality.

So, install many operating systems and see what may be a good choice for you!

After Installing Ubuntu and Debian: