My laptop battery died before I was able to save and close the game. Now when I start Minecraft, my game is not listed. I can see the folder of my game in Windows Explorer. How do I get Minecraft to open that game again?
11689
I was playing on my main world when my laptop ran out of power.  I found a charger and woke it up, but Minecraft had crashed.  Now, it doesn't appear in the world selection screen!  I have verified that it still exists in the Minecraft folder, and the directory contents look to be in order.  Does Minecraft save an internal flag somewhere when it crashes hard?  If so, how do I reset it?
98238
Whenever I launch Minecraft.exe on my computer, while the Minecraft launcher is loading, my computer starts to lag out.  The render rate on my entire computer slows down  .  This is participially noticeable with moving the mouse pointer or while watching videos while it is starting.  After the launcher has loaded, everything goes back to normal.  I log in and I can play the game fine.    I have tried uninstalling all Java installs and reinstalling only the latest Java 64bit with no luck    My computer, operating system install and Java install are all 64bit.  My system specs are as follows:   Operating System         MS Windows 7 Home Premium 64-bit SP1 CPU         AMD Phenom II X4 840    38 °C         Propus 45nm Technology RAM         8.00 GB Dual-Channel DDR3 @ 666MHz (9-9-9-24) Graphics         SyncMaster (1440x900@60Hz)         1023MB GeForce GTX 550 Ti (ASUStek Computer Inc)        39 °C    My Java installs are as follows:
65497
Is there a way to alt-tab out of Minecraft (i.e. make Minecraft lose focus) without the game auto-pausing and without having to bring a menu (e.g. inventory) up first?
13791
What are the basics of Minecraft commands? If I were to start from scratch, with no knowledge on the topic, what are some things that I need to know?
43800
I was playing in Minecraft in full screen for a while (toggling using F11) and then after a while, I went back to windowed mode (I don't like playing in full screen, I was just testing the functionality of it for... reasons).  However, when I went to maximize the window (not full-screen) I realized the maximize box in the corner had become disabled. I fiddled with full screen a bit more, toggling it in the menu options as well as toggling it with F11, but this had no effect. Restarting Minecraft (closing it completely and re-opening, not just quitting to menu) did fix it however.  Does anyone know what causes this issue, and if restarting Minecraft is the only way to fix it?
120371
I am trying to install Minecraft for the first time. I have tried to uninstall Java and reinstall. I have tried shutting off the firewalls. I do not know what else to try. Anyone have any ideas? I am getting the following error...  [20:04:06] [Client thread/INFO]: Setting user: dragondecimator [20:04:06] [Client thread/INFO]: (Session ID is token:f5c4b35f76f643488e5207346aabfbf5:31e215dcad9647e6afbef45d1687ae61) [20:04:09] [Client thread/INFO]: LWJGL Version: 2.9.1 [20:04:09] [Client thread/INFO]: Reloading ResourceManager: Default [20:04:10] [Sound Library Loader/INFO]: Starting up SoundSystem... [20:04:10] [Client thread/WARN]: File minecraft:sounds/mob/ghast/fireball.ogg does not exist, cannot add it to event minecraft:item.fireCharge.use [20:04:10] [Thread-6/INFO]: Initializing LWJGL OpenAL [20:04:10] [Thread-6/INFO]: (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org) [20:04:10] [Thread-6/INFO]: OpenAL initialized. [20:04:11] [Sound Library Loader/INFO]: Sound engine started [20:04:13] [Client thread/INFO]: Created: 512x512 textures-atlas # # A fatal error has been detected by the Java Runtime Environment: # #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x27583e88, pid=4092, tid=3656 # # JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18) # Java VM: Java HotSpot(TM) Client VM (25.25-b02 mixed mode windows-x86 ) # Problematic frame: # C  [ig4dev32.dll+0x3e88] # # Failed to write core dump. Minidumps are not enabled by default on client versions of Windows # # An error report file with more information is saved as: # C:\Users\Andrea\AppData\Roaming\.minecraft\hs_err_pid4092.log # # If you would like to submit a bug report, please visit: #   http://bugreport.sun.com/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # AL lib: (EE) alc_cleanup: 1 device not closed Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
63963
There is a lot of lag when I play Minecraft. I think this is due to the low amount of RAM I've allocated to Minecraft. (495MB)  How do you allocate more RAM to Minecraft?  I checked my other computer (Intel i5 Core) and it had the same amount of RAM allocated to Minecraft. However, Minecraft did not lag on that computer.  After I installed Optifine on this computer, the lag stopped (I don't know why cause I read that Optifine splits the load onto 2 cores, but I have only one core (At least I think so, a sticker on the laptop says Intel CORE i7)).
72321
I've downloaded the .jar file for Minecraft, and I installed OpenJDK 6 from the software center, and I tried with 7 as well, but it keeps throwing the message "The file '/home/hunter/Downloads/minecraft.jar' is not marked as executable.  If this was downloaded or copied from an untrusted source, it may be dangerous to run.  For more details, read about the executable bit." However, when I go into the properties to mark it as executable, as many people say to do, the box is not there.
20283
I am playing Minecraft on survival mode. I can break blocks like sand, dirt, and gravel and it will give me a block. When I try to break stone or iron or anything else, it didn't give me a block. What can I do so that I can get a block? I am on single player and my internet is fine. I tried deleting the app and then getting the app again but that didn't work. This is happening with all my worlds in survival mode.
58777
Wolves? What wolves? I have only spotted ONE wolf in playing minecraft for the past two weeks!  Can anyone tell me where I can find one? Is there some sort of biome they prefer? Are the spawning rules for wolves any different from regular critters?
6729
I plan on buying a gaming PC as I expect to be able to get it around a year and I currently have a laptop that I play (a pirated version of) minecraft. I heard that minecraft broke out off of the "cringe culture", which convinced me to finally buy it (for now) and later buy the gaming PC, but...  The thing I'm wondering about is, if I buy minecraft on a laptop, will I be able to avoid the whole buying part when I'll get a gaming PC in the future?  Just want to know if I just need to re-download minecraft and log-in on my mojang account or (in the worst case) re-purchase minecraft and log-in on my mojang account...
15538
I have purchased and downloaded Minecraft on my old account, and I had to make a new account (on the same Xbox 360 console).   However, now it want let me play the full version of Minecraft, only the trial - it's trying to charge me $19.99 even though I have purchased it on the other account.   Is there any way I can get my copy of Minecraft to the new account and play the full game instead of having to buy it again?
56904
I switched to full screen on minecraft, the screen turned black as if it were loading it took a while so i closed minecraft and reopened it. When I logged on it gave me a program on my taskbar saying "minecraft minecraft" then when i closed the program it gave me this error message:   java(tm) platform SE binary has stopped working.    Is there a way to fix this?
17352
I am making an RPG map, and was wondering how to "save" the game.  If you die, you would revert back to a save that happens automatically or manually, and I was wondering how to have it so that you will have all the items you had then, and none of the items you got after you saved (so /gamerule keepInventory won't work).  The only way I can think of doing this is having this long, long, annoying set of command blocks to test for all the items in the game, and then have another 64 command blocks for each of those items, testing for the amount of the item.
9517
Fresh install of Ubuntu 12.10 but I want to claim a purchase of Minecraft that I bought with the old install using Ubuntu Software Center. Don't see an intuitive way of downloading your purchased items. I have the email payment confirmation. Any advice?
91048
I've got a 4 GB SanDisk Cruzer here with practically nothing on it, and I'm about to go house-sit for a friend with a computer but no internet. It sure would be nice to play Minecraft while he's away, but I'd just as soon not muck around in his Documents and Settings\Application Files folders.   Is it possible to have Minecraft and my world on the flash drive itself such that I can play it directly from the drive, rather than installing to each computer I bring it to?
17762
I pressed F2 to take a few Minecraft screenshots. Later I couldn't find them. Where are they stored on my computer?