Try This Fix!
This will Prevent Further Error Plus The No Sound After Attempting to delete stdriver64.sys
Just Follow the Instruction Below
Hope this will help you. . .
BSOD Issue with stdriver64.sys
Here is the fix: the stdriver64.sys is installed by NCH Software. You may not even know it is on your system as it is downloaded and installed with several different sound recording programs. Anyway, go to www.nch.com.au/soundtap/index.html and download the SoundTap Program. It is a small file and it's free... you are going to be uninstalling it anyway. Install the program ignoring ANY errors you may encounter. DO NOT reboot the system. Now, go into control panel and Add Remove Programs or Programs and features and uninstall the SoundTap Program, again ignoring any errors. After it is uninstalled, then reboot the machine. After you reboot, you will see that the stdriver64 (or 32) is no longer in your Windows/system32/drivers folder. This will NOT AFFECT your sound card as it does when you remove or rename the stdriver64.sys file. Installing the program and uninstalling it sets the correct registry setting allowing removal of the file without affecting your system sound. Next you need to go to your registry...go to Start...Run and type "regedit" (without quotes) ensure that your registry is collapsed so you see five "HKEYS"...now just click on and highlight "Computer"...then go to the top and click Edit...then FIND. Type in NCH Software and click "Find Next" Delete the first and any folder that says NCH in it...using the F3 key...go to the next found folder and delete them all. Ensure you delete the entire folder on the left tree and not just the individual keys within the folder. You will probably find 3 to 4 folders....delete all. Again reboot and your BSOD will be solved as it relates to stdriver64.sys.