Error codes
Errors may occur when working with the application through the command line. When errors occur, Kaspersky Endpoint Security shows an error message, for example, Error: Cannot start task 'EntAppControl'. Kaspersky Endpoint Security can also show additional information in the form of a code, for example, error=8947906D (see the table below).
Error codes
Error code | Description |
|---|---|
| This key is already in use |
| License expired. Database updates are unavailable |
| Key not found |
| Digital signature is either missing or corrupted |
| Data is corrupted |
| Key file is corrupted |
| License expired |
| Key file is not specified |
| Invalid key file |
| Failed to save data |
| Failed to read data |
| I/O error |
| Databases not found |
| Licensing library not loaded |
| Databases corrupted or updated manually |
| Databases are corrupted |
| Cannot use invalid key file to add a reserve key |
| System error |
| Denylist of keys corrupted |
| File signature does not match the digital signature of Kaspersky |
| Cannot use a key for trial license as a key for commercial license |
| The license for beta testing is required to use the beta version of the application |
| The key file is not compatible with this application. It is impossible to activate Kaspersky Endpoint Security for Windows with a key file for another application. Please check the installed application |
| License key is blocked by Kaspersky |
| The application has already been used under a trial license. Cannot add a key for trial license again |
| Key file is corrupted |
| Digital signature is missing, corrupted, or does not match the Kaspersky digital signature |
| Cannot add a key if the corresponding non-commercial license has expired |
| The date the key file was created or used is invalid. Please check the system date |
| Cannot add a key for trial license: another key for trial license is already active |
| Denylist of keys corrupted or missing |
| Update description missing or corrupted |
| Internal data incompatible with this application |
| Cannot use invalid key file to add a reserve key |
| Error sending activation server request. Possible reasons: Internet connection error or temporary problems on the activation server. Try to activate the application later (in 1 to 2 hours) with the activation code. If this error reoccurs, contact your Internet provider |
| Request contains incorrect activation code |
| Cannot obtain response status |
| Error occurred when saving temporary file |
| Incorrect activation code is entered or invalid system date is set on the computer. Please check the system date on your computer |
| Key not compatible with this application, or license expired |
| Failed to receive a key file. Incorrect activation code was entered |
| Activation server has returned error 400 |
| Activation server has returned error 401 |
| Activation server has returned error 403 |
| Necessary resource is unavailable on the activation server. Activation server has returned error 404. Please check your Internet connection settings |
| Activation server has returned error 405 |
| Activation server has returned error 406 |
| Proxy authentication is required. Please check your network settings |
| Request timed out |
| Activation server has returned error 409 |
| Necessary resource is unavailable on the activation server. Activation server has returned error 410. Please check your Internet connection settings |
| Activation server has returned error 411 |
| Activation server has returned error 412 |
| Activation server has returned error 413 |
| Activation server has returned error 414 |
| Activation server has returned error 415 |
| Internal server error |
| Functionality not supported |
| Invalid gateway response. Please check your network settings |
| Resource temporarily unavailable |
| Gateway response timed out. Please check your network settings |
| The protocol is not supported by the server |
| Unknown HTTP error |
| Invalid resource ID |
| Invalid URL |
| Invalid destination folder |
| Memory allocation error |
| Error occurred when converting parameters to ANSI string (URL, folder, agent) |
| Error occurred when creating worker thread |
| Worker thread already running |
| Worker thread not running |
| Key file is not found on activation server |
| Key is blocked |
| Activation server internal error |
| Not enough data in activation request |
| The license that corresponds to the added key has already expired |
| Invalid system date is set on the computer. Please check the system date value |
| Trial license has expired |
| Application activation period expired |
| The limit of application activations has been exceeded for the specified code |
| Activation procedure completed with system error |
| Cannot use a key for trial license as a key for commercial license |
| Activation code is required |
| Cannot connect to activation server |
| Activation server is unavailable. Please check your Internet connection settings and retry activation |
| License has expired |
| Cannot replace the active key with an expired key |
| Cannot add a reserve key if the corresponding license expires before the current license |
| Updated subscription key missing |
| Invalid activation code |
| Key already active |
| License types that correspond to active and reserve keys do not match |
| Component not supported by license |
| Unable to add subscription key as a reserve key |
| Transport layer generic error |
| Failed to connect to activation server |
| Invalid web address format |
| Failed to convert proxy server address |
| Failed to convert server address. Please check Internet connection settings |
| Server connection attempt failed |
| Access denied remotely |
| Operation timed out |
| Error sending HTTP request |
| SSL connection error |
| Operation interrupted by callback |
| Too many redirects |
| Recipient check failed |
| Empty response from server |
| Error sending data |
| Error receiving data |
| SSL certificate related problem |
| SSL encryption related problem |
| SSL certification center related problem |
| Invalid contents of network packet |
| Account access denied |
| Invalid SSL certificate file |
| Cannot shut down SSL connection |
| Recurring error |
| Invalid file with revoked certificates |
| SSL certificate request error |
| Unknown server error |
| Internal server error |
| No key available for the activation code entered |
| Active key is blocked |
| Required parameters of activation request are missing |
| Invalid client number or password |
| Invalid activation code |
| The activation code is not compatible with this application. It is impossible to activate Kaspersky Endpoint Security for Windows with an activation code for another application. Please check the installed application |
| Activation code is required |
| Activation period expired |
| Number of activations with this code has been exceeded |
| Invalid format of request ID |
| Activation code already in use |
| Failed to renew activation code |
| Activation code is invalid for this region |
| This activation code cannot be used for this localization of the application |
| The activation code is intended for the new version of this application. Get a different activation code to activate the installed version of the application |
| Activation server returned error 643 |
| Activation server returned error 644 |
| Activation server returned error 645 |
| Activation server returned error 646 |
| Activation server version 1.0 is required |
| Incorrect activation code format |
| Computer time is out of sync with activation server time |
| Wrong application version |
| Subscription has expired |
| Number of activations exceeded |
| Invalid ticket signature |
| Additional data is needed |
| Data verification failed |
| Subscription inactive |
| Activation server is under maintenance |
| Unexpected error |
| Invalid parameter transferred. For example, an empty list of activation server addresses |
| Invalid activation code (invalid hash) |
| Invalid user ID |
| Invalid user password |
| Invalid response from activation server |
| Activation request has been interrupted |
| Activation server has returned an empty forwarding list |
