Windows .exe Minecraft won't launch

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xSquaRx

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Jul 29, 2019
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When I try launch via FTB launcher minecraft doesn't launch, mods enabled or mods disabled. It says minecraftlauncher said -1. Also happens when I use the .jar version of the launcher and anti-virus disabled.

OS: Win 7 64-bit
Anti-virus: Kaspersky Internet Security 2013
FTB Launcher Version: 1.0.5
Minecraft Version: 1.4.2
Java Version: 7
Pastebin log: http://pastebin.com/5ZKjMU5t
 

Meldiron

New Member
Jul 29, 2019
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First try lowering your max memory setting back to the default 1024 and see if that helps. (it shouldn't really, you seem to be running java 64bit, but still worth a try to rule it out.
If it don't work, try running the launcher with adminsrator privelages and see if that helps.
If that don't work try temporarily disabling kaspersky and see if that helps.
If your error log changes during any of these steps please post it here.
 

Vauthil

New Member
Jul 29, 2019
1,491
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Are you running the launcher as an administrator? If not, try doing so.
 

Ashzification

New Member
Jul 29, 2019
7,425
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I'll keep this bit of knowledge! It will certainly come in handy for others with a similar problem! Do you mind if I link this thread in my CP&S?

It would look something like this:
# FTB launcher minecraft doesn't launch, mods enabled/mods disabled: fix found here!
 
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