How to use the repair tool to resolve Sync desktop issues

The repair tool for Windows is the quickest way to resolve common syncing issues. If the Sync desktop app is stuck, slow to sync, or behaving unexpectedly, the repair tool can help by refreshing your Sync installation without requiring you to uninstall or re-enter your account information. This article will cover the following:


How does the repair tool work?

The repair tool rebuilds your Sync installation to help resolve issues related to stuck or slow syncing without the need to fully reinstall or having to log in again.


How do I run the repair tool?

  1. Download and run the file sync-repair.exe.
  2. When prompted, click Yes to continue.
  3. The tool will run a few checks, including confirming:
    • The Sync app is installed.
    • You're using a compatible version of Sync.
    • You have the necessary permissions.
  4. Next, the tool will automatically repair and rebuild your Sync installation.
  5. Once the Sync app relaunches and begins reindexing, you may close the repair tool window.

Note: Leave your computer powered on while reindexing completes. This may take some time, depending on how many files you have.


When should I use the repair tool?

Use the repair tool when:

  • Sync is not syncing properly or appears stuck.
  • Support has recommended it as a first troubleshooting step.

How does running the repair tool affect my files?

Running the repair tool will trigger a full reindex of your Sync folder. During this process:

  • Sync may upload any pending deletions.

  • Conflict files may be created if there are version differences between copies of the same file.

  • The reindex can take anywhere from several minutes to several hours, depending on the size of your Sync folder.

Note: You can continue using your computer while the repair tool runs. However, new file changes may not sync until reindexing is complete.


FAQs

Can I close the repair tool or Sync while reindexing?

Yes. You can safely close the repair tool. Sync will continue reindexing in the background, but new file changes may not sync until the process is complete.

How is this different from uninstalling and reinstalling?

The repair tool preserves:

  • Your login session
  • CloudFiles settings
  • Local preferences

This makes it faster and easier than a full uninstall/reinstall.

What versions are supported by the repair tool?

The repair tool is compatible with Windows 2.2.x and 5.0.x versions of Sync. It will detect the agent version before starting the repair to ensure that a compatible version is installed.

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