System error codes will appear in software programs and in various areas within the Windows operating system after certain errors occur.
Important: A system error code is not the same as a Device Manager
error code or a browser error code, even though the error numbers may sometimes be the same.
Below is a list of system error codes from Code 1000 to Code 1099, along with a description of what the error code means.
Looking for system error codes outside of this range? See my
Complete List of System Error Codes for error code details from Code 1 to Code 15299.
Error Code 1011
System error code 1011 means "The configuration registry key could not be opened." This error code may also display as "ERROR_CANTOPEN" or as the value 0x3F3.Error Code 1012
System error code 1012 means "The configuration registry key could not be read." This error code may also display as "ERROR_CANTREAD" or as the value 0x3F4.Error Code 1013
System error code 1013 means "The configuration registry key could not be written." This error code may also display as "ERROR_CANTWRITE" or as the value 0x3F5.Error Code 1014
System error code 1014 means "One of the files in the registry database had to be recovered by use of a log or alternate copy. The recovery was successful." This error code may also display as "ERROR_REGISTRY_RECOVERED" or as the value 0x3F6.Error Code 1015
System error code 1015 means "The registry is corrupted. The structure of one of the files containing registry data is corrupted or the system's memory image of the file is corrupted or the file could not be recovered because the alternate copy or log was absent or corrupted." This error code may also display as "ERROR_REGISTRY_CORRUPT" or as the value 0x3F7.Error Code 1016
System error code 1016 means "An I/O operation initiated by the registry failed unrecoverably. The registry could not read in or write out or flush one of the files that contain the system's image of the registry." This error code may also display as "ERROR_REGISTRY_IO_FAILED" or as the value 0x3F8.Error Code 1017
System error code 1017 means "The system has attempted to load or restore a file into the registry but the specified file is not in a registry file format." This error code may also display as "ERROR_NOT_REGISTRY_FILE" or as the value 0x3F9.Error Code 1018
System error code 1018 means "Illegal operation attempted on a registry key that has been marked for deletion." This error code may also display as "ERROR_KEY_DELETED" or as the value 0x3FA.Error Code 1019
System error code 1019 means "System could not allocate the required space in a registry log." This error code may also display as "ERROR_NO_LOG_SPACE" or as the value 0x3FB.Error Code 1020
System error code 1020 means "Cannot create a symbolic link in a registry key that already has subkeys or values." This error code may also display as "ERROR_KEY_HAS_CHILDREN" or as the value 0x3FC.
