Microsoft Windows is undoubtedly one of the most efficient, reliable and the most utilized operating system in the market. This operating system being featured with numerous powerful and enhance programming skills is capable of facilitating the individual with seamless multi-tasking experience. Now apart from it’s beneficial features, this OS is also popular among the people because of it’s tendency of always updating it’s latest versions in the market. Though almost all it’s all updates have been labeled very applicable but it’s latest iteration to Windows August Update, featuring security features and improvements has been caught in leading several issues onto the user’s laptop or PC. According to the Microsoft Community, KB2982791 is the main culprit leading Win32K.sys to crash in the case if the font cache is not correctly maintained. Here some updates which have been subsequently disabled to prevent the August Update BSOD crashes are discussed:

KB2982791 – a security update for kernel-mode drivers

KB2970228 – an update introducing support for the Russion Ruble currency symbol.

KB2975331 – The August Update rollup for Windows RT, Windows 8, and Windows Server 2012

KB2975719 – The August Update rollup for Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2

Though these above mentioned updates have been disabled but yet there are many more updates associated with August Update leading to several issues among the PC. Some of the most encountered issues are:

  • After installing the security updates, fonts which are installed in a location other than the default fonts directory (%windir%fonts) cannot be modified when they are loaded into any active session. In this situation often attempt of changing, replacing or deleting block these fonts and present a ‘File in use’ message.
  • Fonts do not get render correctly after any of updates such as KB2982791, KB2975719, KB2970228, KB2975331 are installed.
  • System get crashes with a 0x50 Stop error message

So, now because of all these issues, Microsoft itself is pulling it’s August update for Windows and suggesting to uninstall it now. This Windows update issue is highly compatible with almost all the latest version of Windows OS i.e., Windows Vista, Windows 7, Windows 8 and Windows Server 2003. Thus because of such hazardous evolution of issues it is recommended by Microsoft itself that to uninstall this Latest August Update. But before that it should be note down that the uninstalling process involves removing files from the Registry. So, it is very important to backup and restore the PC’s registry before that.

To create back up and restore the PC’s Windows registry follow the below discussed instructions:

  • First of all launch the Registry Editor called ‘REGEDIT’.
  • Then on Windows 8, go to the Start screen and start typing the name of the program.


  1. Hold down the Windows key and press R to bring up the Run box.
  2. Then type REGEDIT and press Enter to launch the program.
  • Then in the Registry Editor, click on ‘Computer’.
  • After that go to the File menu present at the top and then select Export.
  • In the next step choose a file name and save the Registry file in a convenient location

This process is valid for all the version of Windows operating system since the Registry Editor itself has remained largely unmodified over many generations of Windows. Thus the above discussed steps can be implemented on even computer system running on Windows 95 OS.

Now to uninstall the latest Windows August Update, here complete guidelines has been discussed:

Step 1 : First of all restart the computer in

Step 2: Then delete the file. Regarding this type the below given command at command prompt and after that press Enter

del %windir%system32fntcache.dat

Step 3: Then after the deletion of the fntcache.dat file, restart the computer. It will then start successfully.

Step 4: After that click Start >> Run then type regedit in the pen box and then tap OK.

Step 5: In the next step click the following subkey in the registry

HKEY_LOCAL_MACHINESoftwareMicrosoftWindows NTCurrentVersionFonts

Step 6: Then right-click Fonts registry subkey and then click Export

Step 7: After that type a name for the exported reg file and then select a suitable location to store the file.

Step 8: Then find any registry values under Fonts registry subkey for which the data filed should meet the below given requirements

  • Include a full file path (not just a file name)
  • The full path ends in an “.otf” extension. (This indicates an OpenType font file)

Step 9: In the next step remove fntcache.dat file again via typing the below discussed commands and then press Enter.

del %windir%system32fntcache.dat

Step 10: After that open Programmes and Features item in the Control Panel and then click View installed updates. After that uninstall any of the below given mentioned updates




Step 11: Then restart the laptop

Step 12: After that find the reg file which have been saved right earlier and then in order to restore the font registry value eliminated previously right click the file then click Merge.

Hopefully the above discussed instructions will surely help you in uninstalling the latest Windows August Update and fixing the issues associated with it as we have tried to provide you with the best guidelines collected from several forums and help centres.

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