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Ontrack EasyRecovery Error Code 1521

Oct 3, 2025 3:27:18 AM

Error Code 1521: Activation key is invalid Error code 1521 indicates that the activation key you entered is invalid. This may be due to a typo or because the key is no longer valid for the specific...

Oct 3, 2025 3:26:12 AM

Ontrack EasyRecovery Error Code 1520

Ontrack EasyRecovery Error Code 1520: Activation key is not valid for this application Error code 1520 indicates that the activation key you're using doesn't match the application you're trying to...

Aug 22, 2025 6:38:55 AM

Checklist: What to do in case of data loss?

1. Do not change anything about the current situation Stop working and turn off the affected device. In the event of (incipient) physical damage, the medium and the data stored on it may be damaged...

Oct 31, 2017 12:00:00 AM

How to recover data on a formatted device with Ontrack EasyRecovery

If you have accidentally formatted your hard drive, SD card or USB stick, you might assume that your data is gone for good. However, there is no need to panic, as a data recovery is still possible....

Aug 17, 2017 12:00:00 AM

How to Recover Your Own Data Without Data Recovery Software

Given that you are reading the blog from a data recovery company, you probably already know that “deleted” data does not immediately disappear from a drive, but is rather simply marked for...

May 28, 2013 12:00:00 AM

Recovering Deleted Files: What Impacts Recoverability?

Recently, I’ve received several questions related to the recovery of deleted files. What happens when a file is deleted on a Windows-based system, and what causes those files to be lost and therefore...

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