Hello, This is your one stop shop for common issues in Minecraft!
 
Haven't read this post yet? Do it.
http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/2627432-1-9-1-10-faqs-read-before-posting
 
Pixel format not accelerated?
1. Get DxDiag to then post in a support forums (How to: http://hopper.minecraft.net/help/pixel-format-not-accelerated/)
2. Post the log and DxDiag (Suggested here http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/) (Use Spoilers)
3. Explain anything that could help fix this issue, recent, known issues or changes.
4. Wait for people to reply to post. Do this and you will get the best support possible.
 
See EXCEPTION_ACCESS_VIOLATION (0xc0000005) in crash report? Look for C [ig8icd64.dll+0x60172c] (ig7xxxxx.dll, ig8xxxxx.dll, ig9xxxxx.dll)
If any of those .ddl extensions with the ig7, ig8, or ig9 appear follow this quick instructions
1. Launch the game
2. Go into video settings and Locate VBOs, Toggle that option from the current positions they are in.
3. Crashing continues? Post on MC forums Support (Suggested http://www.minecraftforum.net/forums/support/unmodified-minecraft-client/)
 a. Post with DxDiag (User Spoilers)
 b. Explain issue, attempted fix and recent changes to machine.
 
 
Links:
 
- Out of Memory > http://hopper.minecraft.net/help/out-of-memory/
 
- Pixel format not accelerated > http://hopper.minecraft.net/help/pixel-format-not-accelerated/
 
- Invalid entity casting > http://hopper.minecraft.net/help/could-not-cast/
 
- Minecraft not working on Windows 10 > http://hopper.minecraft.net/help/references/windows-10/
 
- Using Intel 4 Series Chipsets > http://hopper.minecraft.net/help/references/intel-4-series-chipsets/
                      (Getting ig4dev32.dll and ig4dev64.dll In crash reports)
 
- Failed to create loopback connection > http://hopper.minecraft.net/help/kb/socketexception-unrecognized-windows-sockets-error-04/
 
- Reinstalling Minecraft > http://hopper.minecraft.net/help/guides/reinstalling-minecraft/
 
- Reinstalling Java > http://hopper.minecraft.net/help/guides/reinstalling-java/
 
- Account issues > https://help.mojang.com/
 
- Bugs > https://bugs.mojang.com/secure/Dashboard.jspa
 
- Other Crashes > http://hopper.minecraft.net/crashes/minecraft/