Windows .exe Unable To Launch Any Modpack

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from what i've heard having more than 1 instance of java can wreck things, however i would like to stress im not a computer savvy individual

@Dorque do you know of a guide or some reference material that would be able to help me figure out how to ,"chuck it all and reformat," because to be perfectly honest i don't really know how to do that
 
Not ignoring you guys, I'll just have to catch up with you after I've had some sleep; tried to write tech support replies three times and it's just not happening before bed ;)

Hopefully someone else can help you out in the meantime, but I'll be checking back in later.

And yeah, I know something about HJT logs. You don't have to worry about it breaking anything, it just reads out what's running in the background on your system; if you do have privacy concerns feel free to glance through it yourself and block out anything you want but it normally isn't any more revealing than an MC log.
 
See, ive heard that as well. But i believe the error stated in vanilla about JCEsecurity, i believe this has a factor in it. Im just waiting for someone to come and check and see if its the error.
Also, dorque. Thanks for your help so far, but i hope to see you after some sleep ok :D Maybe we can get this error fixed together :D
 
Maybe try creating a new Windows user, download vanilla minecraft, and see what happens with that.
 
@Dorque yea its nice to know that this thread isn't just gonna get forgotten about

however gentlemen i am probably not going to input alot more into this conversation as it has now reached past my knowledge point, if you have something you would like me to do i can probably manage it but i need reference material to work from just so i don't screw anything up
 
Alanesh, i will try that, thanks! Do you know anything about that pastebin error? If you do, id be very grateful if you could assist me!
 
So thats the issue? I thought it may have something to do with the JCEsecurity, but i guess not. Im reaaaaally uncomfortable with messing around with java after the last time.
Also, the java uninstaller has a white screen, so i cant download that.
 
I knew it!. Right, i faced my fear of errors and completely uninstalled java, corrected all classpaths and i still get an error. However, this error states
FATAL ERROR: java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity
at javax.crypto.Cipher.getInstance(Cipher.java:498)
at sun.security.ssl.JsseJce.getCipher(Unknown Source)
at sun.security.ssl.CipherBox.<init>(Unknown Source)
at sun.security.ssl.CipherBox.newCipherBox(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.isAvailable(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.isAvailable(Unknown Source)
at sun.security.ssl.CipherSuite.isAvailable(Unknown Source)
at sun.security.ssl.SSLContextImpl.getApplicableCipherSuiteList(Unknown Source)
at sun.security.ssl.SSLContextImpl.getDefaultCipherSuiteList(Unknown Source)
at sun.security.ssl.SSLSocketImpl.init(Unknown Source)
at sun.security.ssl.SSLSocketImpl.<init>(Unknown Source)
at sun.security.ssl.SSLSocketFactoryImpl.createSocket(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.createSocket(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
at net.minecraft.bootstrap.Downloader.run(Downloader.java:64)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:92)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)
It HAS to be this, and i am researching it. However, if anyone knows can you please post a fix. Many thanks!
 
Replaced my policies, still nothing... Still the exact same error as above. I dont see what im doing wrong here. Also, i see the policies are for JDK if that means anything..
 
_Chuckknoblox_ said:
Replaced my policies, still nothing... Still the exact same error as above. I dont see what im doing wrong here. Also, i see the policies are for JDK if that means anything..
Click to expand...
JDK stands for Java Developers Kit, I think. You might want to try removing that and using the Java JRE instead (Java Runtime Environment).

Sent from my HTC One using Tapatalk
 
Ahh, you see i actually have JRE7, i just noticed the policies might have been for JDK. But, i still only have JRE installed.
 
Why do you have to make things so difficult? =P

Sent from my HTC One using Tapatalk
 
Its not ma fault :( I honestly wish i could find this out, its driving me insane!
Oh, and switching user accounts does not work either.
GSDGUFHIUFSHHSDGJFKJ I HATE JAVA JHSDIGIBSFU[DOUBLEPOST=1389288059][/DOUBLEPOST]This is gonna take forever to solve, possibly 5 pages of replies!
And, i understood the joke XD
 
GODDAMIT ALL. Cant even run FTB now due to that annoying java runtime error! I honestly hate java, and everything it stands for. If anyone could please help, i would be most grateful!
 
_Chuckknoblox_ said:
I knew it!. Right, i faced my fear of errors and completely uninstalled java, corrected all classpaths and i still get an error. However, this error states
FATAL ERROR: java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity
at javax.crypto.Cipher.getInstance(Cipher.java:498)
at sun.security.ssl.JsseJce.getCipher(Unknown Source)
at sun.security.ssl.CipherBox.<init>(Unknown Source)
at sun.security.ssl.CipherBox.newCipherBox(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.newCipher(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.isAvailable(Unknown Source)
at sun.security.ssl.CipherSuite$BulkCipher.isAvailable(Unknown Source)
at sun.security.ssl.CipherSuite.isAvailable(Unknown Source)
at sun.security.ssl.SSLContextImpl.getApplicableCipherSuiteList(Unknown Source)
at sun.security.ssl.SSLContextImpl.getDefaultCipherSuiteList(Unknown Source)
at sun.security.ssl.SSLSocketImpl.init(Unknown Source)
at sun.security.ssl.SSLSocketImpl.<init>(Unknown Source)
at sun.security.ssl.SSLSocketFactoryImpl.createSocket(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.createSocket(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
at net.minecraft.bootstrap.Downloader.run(Downloader.java:64)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:92)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)
It HAS to be this, and i am researching it. However, if anyone knows can you please post a fix. Many thanks!
Click to expand...

Try the fix located below for this error.

http://forum.feed-the-beast.com/thr...t-me-create-a-new-world-on-my-computer.37446/
 
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