'Installation aborted' error on new install - Galaxy S II Q&A, Help & Troubleshooting

Hi
I'm a noob, there we go I admit it
This is actually my first install of a new ROM on a Samsung Galaxy S2 (and in fact any device) and I'm stuck, I thought I'd followed all the instructions on the cyanogenmod wiki correctly but it appears that somewhere along the line I went awry!
I have rooted the device and successfully installed ClockworkMod Recovery v4.0.14. However, when I go to install Cyanogenmod 7.1 (update-cm-7.1.0-GalaxyS2-signed.zip) via the 'install zip from sdcard' I get the following error and the installation is aborted:
----------------------------------------
Finding update package...
Opening update package...
Installing update...
assert failed: getprop("ro.product.device") =="galaxys2" || getprop("ro.build.product") =="galaxys2" || getprop("ro.product.board") =="galaxys2" || getprop("ro.product.device") =="GT-I9100" || getprop("ro.build.product") =="GT-I9100" || getprop("ro.product.board") =="GT-I9100" || getprop("ro.product.device") =="GT-I9100M" || getprop("ro.build.product") =="GT-I9100M" || getprop("ro.product.board") =="GT-I9100M" || getprop("ro.product.device") =="GT-I9100T" || getprop("ro.build.product") =="GT-I9100T" || getprop("ro.product.board") =="GT-I9100T"
E:Error in /sdcard/update-cm-7.1.0-GalaxyS2-signed.zip
(Status 7)
Installation aborted.
----------------------------------------
I have tried to install a number of times with the same result.
There is no backup to a previous ROM so at the moment I seem to be as I said 'stuck'. I have tried installing other ROMs also and get the same result. Any help would be greatly appreciated!
Many thanks in advance!

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open the updater script within the meta inf folder and remove the line (that should be the first action line) that includes:
getprop("ro.build.product")

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Thanks very much for the reply!
I found the updater script file in the following directory 'update-cm-7.1.0-GalaxyS2-signed\META-INF\com\google\android', is that right?
The text within that file appears to just wrap so how much do I delete or do I simply delete 'getprop("ro.build.product") =="galaxys2" ||'
Sorry for all the questions and thanks for your help!

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Also this could be caused by corrupted file. Check zip file size. Download again and try to flash.

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I tried that and also another ROM (MIUI) but got exactly the same message

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tigertim22 said:
Thanks very much for the reply!
I found the updater script file in the following directory 'update-cm-7.1.0-GalaxyS2-signed\META-INF\com\google\android', is that right?
The text within that file appears to just wrap so how much do I delete or do I simply delete 'getprop("ro.build.product") =="galaxys2" ||'
Sorry for all the questions and thanks for your help!
Click to expand...
Click to collapse
If you can't read the file correctly, I'd suggest you open it with a better editor (like Notepad++), there you won't have problems with encoding, wrapping or new lines.
EDIT: Its also possible that this updater script is not compatible with your CWM version (or as said before, the file is corrupted)

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right, thanks again for everyones input, I've tried all of it, changing the CWM version to ClockworkMod 4.0.0.2, re-downloading the Cyanogenmod and removing the first line of the script updater file as suggested and it all either ends in the installation being aborted immediately or I get the same message (as in my initial post).
If I enable signature verification when I try and install, the process gets aborted whilst trying to verify the update package with the following error:
E:failed to verify whole-file signature
E:signature verification failed
Installation aborted.
Should I be doing something with the 'md5sum: ca096fd81a8a699d291ea12152a84137' displayed under the Cyanogenmod download link?
Is anyone able to help me...pleeeeease?
Thanks again guys!

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Why are you trying flash cm if you see no luck? You can flash another rom. It's lot of them.

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Well, I did it! I followed 078gregory's suggestion and tried another ROM, I wasn't convince it was going to work as I'd previously tried MIUI with the same result, but I thought what have I got to loose . I went for DarkyROM2_KI3_Base.zip and followed exactly the same installation process 'et voila'! it installed first time! I flashed it twice to be sure and rebooted the phone and was away!
Once I knew I could get a ROM on the phone, I (just for the hell of it) tried to install Cyanogenmod again and to my surprise it worked, it installed first time! The only thing I can think of is that the version of Clockworkmod that I was using initially was v4.0.1.2 and the version that got installed with DarkyROM was a later version so I guess more up-to-date. Incidentally the CWM version that installed with Cyanogenmod 7.1 was later still (v5.0.2.6).
Thanks so much to everyone that helped me!

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Status 7 Installation aborted
Hello.I also had the same problem when i installed Biftor Rom V3.6. After installing this rom i have no chance to install CM 10.1 on my galaxy S2.After a few weeks i installed Revolt Rom and after that i tried to install CM 10.1,and it works.The only problem of this is the recovery i use. In Biftor Rom its the Philz recovery and the other roms have cwm-based recovery v6.0.2.3. I do evreything exactly the same way only with this recovery and it works. Hope can help anybody who had the same problem.(And with Philz recovery i also couldnt install Hellybean and Jellybam Rom,with cwm-based recovery it works).

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error after status 7 error
Mr.Greg said:
Also this could be caused by corrupted file. Check zip file size. Download again and try to flash.
Click to expand...
Click to collapse
i followed suggestion for status error7 .. of deleting first 3 lines of updater script
after placing that updated zip file in sd card .
i again got error
installation update
installation aborted ..
i tried searching ,many links didnt got it .. pls help me from 4 days m stuck in it as i have
xperia mini pro sk17i
unlocked bootloader
rooted
cmw 5.0.2
thanks in advance