AccessViloation exception in Acrobat!DllCanUnloadNow, file version 15.6.30417.5399

Windows 7 Version 7601 (Service Pack 1) UP Free x86 compatible

native call stack:

0:007> kbL100
ChildEBP RetAddr Args to Child

WARNING: Stack unwind information not available. Following frames may be wrong.
0a8ef3d4 0ab01f97 0a8ef420 0a98911e 069a17b8 Acrobat!DllCanUnloadNow+0xd3a6
0a8ef3dc 0a98911e 069a17b8 55ce9cab 10197ad8 Acrobat!CTJPEGDecoderReadNextTile+0x75997
0a8ef420 0a988a95 00007ce2 55ce9c03 00007ce2 Acrobat!DllCanUnloadNow+0x222af
0a8ef488 0a9888cd 55ce9c3b 00000000 08855cb0 Acrobat!DllCanUnloadNow+0x21c26
0a8ef4b0 0a91ede0 000004d3 00000000 0a91e956 Acrobat!DllCanUnloadNow+0x21a5e
0a8ef4c4 755162fa 000104da 00000113 000004d3 Acrobat!AcroWinBrowserMain+0x5958
0a8ef4f0 75516d3a 0a91e956 000104da 00000113 user32!InternalCallWinProc+0x23
0a8ef568 755177c4 069d7a7c 0a91e956 000104da user32!UserCallWinProcCheckWow+0x109
0a8ef5c8 7551788a 0a91e956 00000000 0a8ef64c user32!DispatchMessageWorker+0x3bc
0a8ef5d8 0a9882ad 0a8ef5fc 55ce9ec7 0c100f30 user32!DispatchMessageW+0xf
0a8ef64c 0a98810c 55ce9e0f 0c100f30 087dbfd0 Acrobat!DllCanUnloadNow+0x2143e
0a8ef684 0a9192e9 55ce9e67 61a46ede 08851bc8 Acrobat!DllCanUnloadNow+0x2129d
0a8ef6ec 0a9194a0 0a8f0000 00000000 08851bc8 Acrobat!UseClientHeap+0x5bb
*** ERROR: Symbol file could not be found. Defaulted to export symbols for AcroPDFImpl.dll -
0a8ef70c 527a779a 0a8f0000 00000000 08851bc8 Acrobat!AcroWinBrowserMain+0x18
0a8efea4 75b1338a 087ef872 0a8efef0 77589f72 AcroPDFImpl!DllUnregisterServer+0x1c396
0a8efeb0 77589f72 087ef872 79c31f89 00000000 kernel32!BaseThreadInitThunk+0xe
0a8efef0 77589f45 527a7442 087ef872 00000000 ntdll!_RtlUserThreadStart+0x70
0a8eff08 00000000 527a7442 087ef872 00000000 ntdll!RtlUserThreadStart+0x1b