Download and Repair Regoptcfg.dat Issues

Last Updated: 01/08/2024
[Time Required for Reading: 3.5 minutes]

The development of Clean Master for PC 6 by Cheetah Mobile prompted the latest creation of regoptcfg.dat. It is also known as a Game Data file (file extension DAT), which is classified as a type of Dynamic Link Library (Game Data) file.

The first release in the Windows 10 Operating System for regoptcfg.dat was on 10/27/2017 inside Clean Master for PC 6. This is not only most recent release from Cheetah Mobile, but it's the only version known in existence.

Please continue reading to find your correct regoptcfg.dat file version download (free), detailed file information, and DAT file troubleshooting instructions.

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File Overview


General Information
File Name: regoptcfg.dat
File Extension: DAT file extension
File Type: Dynamic Link Library
Description: Game Data
User Popularity Rating:
 
Developer and Software Information
Software Program: Clean Master for PC 6
Developer: Cheetah Mobile
Software: Clean Master for PC
Software Version: 6
File Details
File Size (Bytes): 7081
Oldest File Date: 01/06/2020
Latest File Date: 01/06/2020


What are regoptcfg.dat Error Messages?


Dynamic Link Library regoptcfg.dat Errors

regoptcfg.dat is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like regoptcfg.dat, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Clean Master for PC) could share the same regoptcfg.dat file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DAT file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when regoptcfg.dat is attempted to be loaded either when Clean Master for PC is starting up, or in some cases already running. Some of the most common regoptcfg.dat errors include:

Your regoptcfg.dat file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Clean Master for PC), or deleted by a malware infection. Furthermore, regoptcfg.dat file corruption could be caused from a power outage when loading Clean Master for PC, system crash while loading regoptcfg.dat, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix regoptcfg.dat Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your regoptcfg.dat issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the regoptcfg.dat error, please proceed to the Step 2 below.

Step 2: If recently installed Clean Master for PC (or related software), uninstall then try reinstalling Clean Master for PC software.

You can uninstall Clean Master for PC software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Clean Master for PC 6 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Clean Master for PC software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Clean Master for PC 6

Cheetah Mobile

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many regoptcfg.dat error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the regoptcfg.dat error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your regoptcfg.dat File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate regoptcfg.dat file version. We maintain a comprehensive database of 100% malware-free regoptcfg.dat files for every applicable version of Clean Master for PC. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download regoptcfg.dat Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Clean Master for PC folder location:
    Windows 10: C:\Program Files (x86)\cmcm\Clean Master\data\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve regoptcfg.dat problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download regoptcfg.dat Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying regoptcfg.dat to your appropriate Windows system directory. Cheetah Mobile typically does not release Clean Master for PC DAT files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing regoptcfg.dat and all other DAT files for Clean Master for PC. An incorrectly installed DAT file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to regoptcfg.dat


DAT Files Related to regoptcfg.dat

File Name Description Software Program (Version) File Size (bytes) File Location
wc.dat Game Data Clean Master for PC 6 7664 C:\Windows\Logs\NetSetup\
9WZDNCRFHWD2.dat Game Data Clean Master for PC 6 480 C:\Windows\Temp\B58DFF49-F6FB-4B24-94C1-49546C3...
prdc.dat Game Data Clean Master for PC 6 248832 C:\Windows\Logs\NetSetup\
settings.dat Game Data Clean Master for PC 6 8192 C:\Windows\System32\
FontCache-FontFace.dat Game Data Clean Master for PC 6 16777216 C:\Windows\System32\WDI\{86432a0b-3c7d-4ddf-a89...

Other Files Related to regoptcfg.dat

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log Clean Master for PC 6 181375 C:\Windows\Logs\DPX\
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 12136 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
diagwrn.xml Extensible Markup Language Clean Master for PC 6 44683 C:\Windows\Panther\UnattendGC\
api-ms-win-core-synch-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 13160 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
PerfStringBackup.INI Windows Initialization Clean Master for PC 6 1321920 C:\Windows\System32\


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