My Lightroom 5.6 64 bit can't be opened

I have installed Lightroom 5.6 64-bit into my Window 7 Laptop. It couldn't be opened until now. I uninstalled and installed it again. My computer both times say 'The application was unable to start correctly (0xc0000076). Click OK to close the application. What should I do? (I also installed Lightroom mobile and it works fine.)

Hi Prettymermaid,
Please use the below link to download the DLL files.
http://helpx.adobe.com/lightroom/kb/error-unable-start-correctly-0xc00007b/_jcr_content/ma in-pars/procedure/proc_par/step_0/step_par/download/file.res/Lightroom_64-Bit_DLLs.zip
Extract the files and then copy the mscvcr80.dll and mscvcr100.dll in the location C:\Windows\System32. If it gives you a prompt to replace the files please do so.
Navigate to the location C:\Program Files\Adobe\Adobe Photoshop Lightroom 5.6 and launch Lightroom5.exe from there and check if you get the same error or not.
Thanks

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