Download and Repair Handler.reg Issues

Last Updated: 11/25/2023
[Time to Read Article: 5 minutes]

handler.reg is considered a type of Registration Entries file. It is most-commonly used in Windows 7 developed by Microsoft. It uses the REG file extension and is considered a Registry (Registration Entries) file.

handler.reg was first released for Windows Vista Operating System on 11/08/2006 with Windows Vista. The latest version update [v7] for Windows was 7 released on 07/22/2009. handler.reg is included in Windows XP, Windows Vista, and Windows 7 versions.

Please continue reading to find your correct handler.reg file version download (free), detailed file information, and REG file troubleshooting instructions.

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File Overview


General Information
File Name: handler.reg
File Extension: REG file extension
File Type: Registry
Description: Registration Entries
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 7
Developer: Microsoft
Software: Windows
Software Version: 7
File Details
File Size (Bytes): 518
Oldest File Date: 09/18/2006
Latest File Date: 06/10/2009


What are handler.reg Error Messages?


General handler.reg Runtime Errors

handler.reg file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types REG errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common handler.reg runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files (x86)\Common Files\System\msadc\handler.reg

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most REG errors are due to missing or corrupt files. Your handler.reg file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, handler.reg file corruption could be caused from a power outage when loading Windows, system crash while loading or saving handler.reg, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix handler.reg 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 handler.reg 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 handler.reg error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing handler.reg file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt handler.reg files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for handler.reg issues and any other system file problems.
  9. Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

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

sfc /scannow

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 handler.reg 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 handler.reg 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 handler.reg 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 handler.reg file version. We maintain a comprehensive database of 100% malware-free handler.reg files for every applicable version of Windows. 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 handler.reg Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

  4. Windows XP: C:\Program Files\Common Files\System\msadc\
    Windows Vista: C:\Program Files (x86)\Common Files\System\msadc\
    Windows Vista: C:\Program Files\Common Files\System\msadc\
    Windows 7: C:\Program Files (x86)\Common Files\System\msadc\
    Windows 7: C:\Program Files\Common Files\System\msadc\
  5. 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 7.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve handler.reg 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 handler.reg Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying handler.reg to your appropriate Windows system directory. Microsoft typically does not release Windows REG 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 handler.reg and all other REG files for Windows. An incorrectly installed REG file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows XP
Windows Vista
Windows 7


Files Related to handler.reg


REG Files Related to handler.reg

File Name Description Software Program (Version) File Size (bytes) File Location
_ServiceModelServicePe... Registration Entries Windows Vista 8261 C:\Windows\inf\.NETFramework\
_SMSvcHostPerfCounters... Registration Entries Windows Vista 3779 C:\Windows\System32\wbem\Performance\
handsafe.reg Registration Entries Windows 7 588 C:\Windows\System32\wbem\Performance\
_TransactionBridgePerf... Registration Entries Windows 7 3275 C:\Windows\inf\WmiApRpl\0009\
handsafe.reg Registration Entries Windows XP 588 C:\Windows\System32\wbem\Performance\

Other Files Related to handler.reg

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 8.1 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 8 6201 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 10 6201 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Microsoft Office Access 2010 14 6201 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\


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