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17 Responses to “Disable Adobe CS4 Activation Check”

1. robot fury says:

   January 10, 2010 at 10:21 am

   thanks so much man. you saved me a big headache with this information!!!
2. robot fury says:

   January 10, 2010 at 10:22 am

   Thanks so much!! you saved me big time!!!
3. lalala[: says:

   January 29, 2010 at 3:38 am

   thank youu so muchh[:
4. fred says:

   February 16, 2010 at 1:02 am

   I did copy this into the notepad en brought the notepad into etc as a textfile. Is that enough?
5. Rafael says:

   March 13, 2010 at 3:14 am

   YOU ROCK DUDE!!
6. Arun Vishnu says:

   March 13, 2010 at 10:45 am

   Hi Fread,
   The “hosts” file has no extension. So when saving, you have remove .txt and select file type as “All files”.
7. Arun Vishnu says:

   March 13, 2010 at 10:48 am

   @Rafael @lalalal @robot

   Thank you guys
8. cj says:

   March 17, 2010 at 2:46 am

   Disconnect from the internet and close any CS4 programs you have open.

   if you are attempting to execute this on a windows 7 machine, you may need to provide administrator priv. a few times. You may work around this by copying the hosts file to your desktop, opening it with notepad, editing, saving it as file type “all files.” It may still save as a .txt, but I’ll get to that in a moment.

   Copy it back to the \drivers\etc folder and allow with administrator privileges. If the other hosts file remains, delete it and follow these steps

   Then, bring down the Organize tab, navigate to

   folder and search options > view
   and uncheck “hide extensions for known file types”

   rename hosts.txt as hosts
   no file extension.

   Again, provide administrator privileges to complete this action.
9. Arun Vishnu says:

   March 17, 2010 at 9:46 am

   @cj
   man .. Thx for that detailed comment
10. Prophit5 says:

    April 7, 2010 at 5:52 am

    I am using Windows 7 Home Premium edition. I tried editing the “host” file as explained above. It doesn’t prevent the activation screen from appearing. I have a licensed copy but my old computer died twice with 2 different harddrives and now Adobe thinks i have it installed on 3 machines, when in fact I am only trying to run it on one machine. I don’t have the old AdobeID used to originally purchase the software so this seems to be my only option. Please help!
11. Alex says:

    April 26, 2010 at 1:35 am

    If you get an “Access denied” message when trying to save the changes, open notepad by right-clicking and choosing “Run as administrator”, then click File>open and browse to the location of the hosts file and open it.
12. jon says:

    April 30, 2010 at 10:44 pm

    i know on windows 7, you can also go into system and security…windows firewall…advanced settings…inbound rules and then block the adobe products websites.
13. Niko says:

    May 20, 2010 at 11:03 pm

    Thank you so much for this post and also to CJ who gave detailed instructions for a win 7 user helped a lot also this WORKS for CS5 aswell so

    THANKS !
14. vj says:

    May 23, 2010 at 5:10 pm

    i ve tried alomst everything but it still asks for a serial..

    i ve windows 7 n i did all.. somewhwere i read tht u have to add this # at the beginning of each statement.. even tried tht… did not work

    m just so tired .. help me plzzz
15. Anthony says:

    May 28, 2010 at 2:25 pm

    Hi i have cs4 and windows 7 I have tried everything mentioned here and am still getting the rego page come up when i try a new serial from the keygen I get your copy has expired. can anyone help please.
16. gmpco says:

    July 22, 2010 at 1:27 am

    does this works for CS5 also?
17. isla says:

    July 30, 2010 at 9:29 am

    If Vista says ” Cannot create the C:\Windows\System32\drivers\etc\hosts file.” Simply cut and paste the “hosts” file in a new folder to crack it. Then open it as notepad, paste the crack sequence f0und at the top. Close it. Paste it back to the “etc” folder.There!Enjoy.