Fix: Not all data was successfully written to the registry

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

When you try to carry out some operations on theWindows Registry, you get anerrorthat saysnot alldatawas successfully written to theregistry. Some keys are open by the system or other processes.

Examples of registry operations that can bring up thiserrorare merging, importing, or restoring a file in theregistry.

Many permissions are involved, and it’s possible that (even though you made the backup, for example), you have insufficient permissions to perform the desired operation.

What do I do when I get the registry data writing error?

1. Try again in Safe Mode

Now, the computer boots with no drivers loaded. Attempt the registry operation once more to see if it still throws the not alldatawas successfully written to theregistry error.

2. Change the registry key permissions

Here, we changed the owner of the registry key to allow Administrator users to perform critical tasks on theregistry.

3. Perform a repair upgrade on you Windows

These steps solve the not alldatawas successfully written to the registry error by repair upgrading your system. However, this method reverts your computer to a state with no latest updates installed.

To keep your updates and not lose them, make sure that your PC stays connected to the internet in the course of the upgrade.

Theerrorthat says not alldatawas successfully written to theregistrycan pop up on different scenarios. Most users encounter the issue when attempting to merge or import a file into a directory.

The general solution is to change the ownership of the file to either yourself or the Administrator. However, before doing that, we recommended that you try performing the registry operation again, but in Safe Mode.

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Fix: Not all data was successfully written to the registry#

What do I do when I get the registry data writing error?#

1. Try again in Safe Mode#

2. Change the registry key permissions#

3. Perform a repair upgrade on you Windows#

Fix: Not all data was successfully written to the registry

What do I do when I get the registry data writing error?

1. Try again in Safe Mode

2. Change the registry key permissions

3. Perform a repair upgrade on you Windows