VS 2010 Crashes when I try to open Form Designer

When ever i try to open forms designer it crashes.. tried everything on this forum.. nothing works.. so attached debugger in devenv.exe and got this log.

First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: EEFileLoadException at memory location 0x00abb08c..
First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000..
First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000..
First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.
First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: EEFileLoadException at memory location 0x00abb08c..
First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000..
First-chance exception at 0x76db2eec in devenv.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000..
First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.
First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.
First-chance exception at 0x02c59646 in devenv.exe: 0xC0000005: Access violation reading location 0x00000000.
First-chance exception at 0x02c59646 in devenv.exe: 0xC0000005: Access violation reading location 0x00000
First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.
First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.

I hope devs can fix this issue and provide an update.

FYI: i did all updates. crashed even with vs2010 sp1... so i reverted back sp1 and using just vs2010 as it still crashes. but doesnt crash often without sp1... with sp1 it always crashes!!

First-chance exception at 0x76db2eec in devenv.exe: 0xE0434352: 0xe0434352.

some new exception..

using win 8.1.. 16 gigs ram, i7 proc. 64 bit OS.