Nem indul a minecraft, miért? (win7 64bit)

Mindig amikor elindítom a minecraft-ot kapok két hibaüzenetet:1) Java(TM)Platform SE binary has stopped working

Problem Event Name: APPCRASH

Application Name: javaw.exe

Application Version: 7.0.100.18

Application Timestamp: 3b866bf0

Fault Module Name: ntdll.dll

Fault Module Version: 6.1.7601.17514

Fault Module Timestamp: 4ce7ba58

Exception Code: c0000005

Exception Offset: 00033a93

OS Version: 6.1.7601.2.1.0.256.1

Locale ID: 1033

Additional Information 1: cd06

Additional Information 2: cd0696ab1a92df53fa66caba2025e43b

Additional Information 3: 074b

Additional Information 4: 074babd1de3667f9109b7358afa16340

2) Generic Host Process fpr Win32 services has stopped working

Problem Event Name: APPCRASH

Application Name: svchost.exe

Application Version: 5.1.0.0

Application Timestamp: 3b866bf0

Fault Module Name: ntdll.dll

Fault Module Version: 6.1.7601.17514

Fault Module Timestamp: 4ce7ba58

Exception Code: c0000005

Exception Offset: 00033a93

OS Version: 6.1.7601.2.1.0.256.1

Locale ID: 1033

Additional Information 1: 8c09

Additional Information 2: 8c093e7a04dae47a57af1673a4a2dd07

Additional Information 3: 8906

Additional Information 4: 89067d8ba938c6de1faf943d4f343af4

Windows 7-et használok, 64bit. A Java ujratelepítése nem használ. A gép adatai ha kellenek:

Processzor: AMD A8 3820 QUAD CORE 2.5Ghz Turbo 2.8Ghz

Videókártya: ATI RADEON HD6550

Alaplap: ECS A55F-M3

Ram: 4GB 2x2GB Kingston HyperX 1600Mhz CL9

Hard Disk: 320GB 7200RPM 16mb Buffer Seagate Baracuda