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How to Resolve the Exception During Preview Error in SyncToy: 3 Effective Solutions

2024/06/21
PC Repair

Key Notes

  • Repairing Microsoft Sync Framework can resolve the error.
  • Installing. NET Framework 3.5 is often necessary for compatibility.
  • Running SyncToy in compatibility mode may also resolve issues.

Fixing SyncToy’s Exception During Preview Error: A Step-By-Step Guide

SyncToy, originally developed by Microsoft, allows users to synchronize files and back them up effectively. Unfortunately, since the application’s discontinuation, users have encountered various issues, notably the Exception during preview error that halts the syncing process. This guide provides practical steps to troubleshoot and rectify this common problem, ensuring your file synchronization remains efficient and reliable.

How to Resolve the Exception During Preview Error in SyncToy

Step 1: Repair Microsoft Sync Framework 2.0

To fix the Exception during preview error, begin by repairing the Microsoft Sync Framework:

  1. Press Windows + R to open the Run dialog. Type appwiz.cpl and hit Enter.
  2. Select Microsoft Sync Framework 2.0 Core Components (x64) ENU from the list, and click on Change. The entry will display (x86) if you have the 32-bit version.
  3. Choose Repair and then click on Finish.
  4. Wait for the repair process to complete.
  5. Also, repair the Microsoft Sync Framework 2.0 Provider Services (x64) ENU component.
  6. After completing these steps, restart your computer and check if the error is resolved.

Pro Tip: Many users report success with this method for resolving the error.

Step 2: Install. NET Framework 3.5

Installing. NET Framework 3.5 may be necessary:

  1. Press Windows + S and type Control Panel, then select it from the results.
  2. Click on the Programs option.
  3. Navigate to Turn Windows features on or off.
  4. Check the box for .NET Framework 3.5 (includes. NET 2.0 and 3.0) and click Install.
  5. Once installed, reboot your PC and verify if SyncToy is operational.

Step 3: Run SyncToy in Compatibility Mode

If the above steps did not work, try running SyncToy in compatibility mode:

  1. Right-click on the SyncToy shortcut and select Properties.
  2. Navigate to the Compatibility tab, check Run this program in compatibility mode for, and choose Windows 7 from the dropdown menu.
  3. Click Apply and then OK. Reboot your PC and test if SyncToy functions correctly.
  4. If issues persist, experiment by choosing different Windows versions in compatibility settings.

Pro Tip: Running SyncToy under a compatibility mode for an older Windows version often resolves the error.

Additional Tips

  • Ensure your backups are always verified post-sync.
  • Consider alternative syncing software for more robust support.
  • Stay updated with community forums for ongoing tweaks and fixes.

Summary

This guide provided essential steps to rectify the Exception during preview error in SyncToy. By repairing the Microsoft Sync Framework, installing. NET Framework 3.5, and running the application in compatibility mode, you can restore syncing functionalities effectively. Remember to consider alternative software if issues continue.

Conclusion

Encountering errors in outdated software like SyncToy can be frustrating, especially when official support is withdrawn. However, applying the solutions outlined above can help you mitigate issues and restore the usefulness of your file syncing capabilities. Don’t hesitate to share your experiences and solutions in the comments to assist others in the community.

FAQ (Frequently Asked Questions)

What is the Exception during preview error in SyncToy?

This error occurs when SyncToy fails to initialize its syncing operations, often due to issues with the underlying framework or component settings.

Is SyncToy still supported by Microsoft?

No, SyncToy has been discontinued by Microsoft, and as a result, there are no official updates or support for the tool.

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