Morris Worm Source Code

Robert Tappan Morris

If you are technology guy or IT guy or hacker, you know the name of "Morris Worm" which was the first computer worm(computer malware program to replicate itself in order to spread to other computers).


Creator of Morris Worm is Robert Tappan Morris (who was student of Cornell University). As per him, the worm was written to understand the size of the Internet but not to damage computer. But it did opposite and shutdown thousands of computers that resulted financial loss. This incident also got significant media attention.

Floopy Disk contains source code of Morris Worm

Computer History Museum held the floppy disk that contains source code of Morris Worm. Today it is also available in the Internet and you can download and see the code from the Github(https://github.com/arialdomartini/morris-worm) .

Fix - You cannot install this app because another user has already installed an incompatible version...

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++The Battle of Kindle++
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I was trying to add some .mobi files on my Galaxy On 7 Prime Android smartphone to read them on the Kindle(ebook reader) app but suddenly it got crahsed. I lost the Kindle app. OMG !!

Smartly, I tried to reinstall again from Google Play store but it was throwing below error. I tried multiple times with multiple reboots of device but same error.

"You Cannot Install this app because another user has already installed an incompatible version on this device."

But I got my Iron Man to rescue me from this issue. He is "ABD"...No..No..he is not cricketer. Sorry for typo.He is ADB(Android Debug Bridge). With the help of below command line from my Windows laptop, I successfully removed the Kindle. I rebooted the phone and tried to reinstall the Kindle.

BOOM!! It worked. I got my Kindle back on my smartphone. ADB the hero.

What you need to perform this fix:

1) Hardware
a> Windows 7 or 10 OS laptop/desktop
b> USB cable

2) Software:
a>ADB installed on Windows laptop

3) Enable Debug Setting on Android Smartphone and allowed it while plugin the device to Windows laptop/desktop

4) Command to remove the Kindle:

adb shell pm uninstall com.amazon.kindle