Windows operating system keeps accessing the system registry file and with the each program that runs on the system the corresponding entry is done in the registry database file. These registry file is a vital component of system and whenever any application runs on the system the registry file is accessed by the system.

Since the registry file is frequently accessed by system and if there occurs any problem with the system registry file then it system turns malfunctioning with strange system error getting appeared on the screen. These system errors are defined under the header file named winerror.h. Such strange system errors are as below:-

• System Error Codes (0-499)
• System Error Codes (500-999)
• System Error Codes (1000-1299)
• System Error Codes (1300-1699
• System Error Codes (1700-3999)

All the system error that comes under the above category turns to affect the system processing. These error codes with detailed information are stated as below:-

System Error Codes (0-499)

• ERROR_INVALID_FUNCTION (“Incorrect Function”)
• ERROR_ACCESS_DENIED (“Access is denied”)
• ERROR_ARENA_TRASHED (“The storage control blocks were destroyed”)

System Error Codes (500-999)

• ERROR_BAD_FUNCTION_TABLE (“A malformed function table was encountered during an unwind operation.”)
• ERROR_IO_PRIVILEGE_FAILED (“{Privilege Failed} The I/O permissions for the process could not be changed.”)
• ERROR_MISSING_SYSTEMFILE (“{Missing System File} The required system file %hs is bad or missing.”)

System Error Codes (1300-1699)

• ERROR_NT_CROSS_ENCRYPTION_REQUIRED (“A cross-encrypted password is necessary to change a user password.”)
• ERROR_DISK_CORRUPT (”The disk structure is corrupted and unreadable.”)
• ERROR_FILE_CORRUPT (“The file or directory is corrupted and unreadable.”)

The above error appearance is cause of fatal corruption encountered in the registry database file wherein the registry values are modified along with additional registry values being added to the registry file. It is mandatory to repair the registry file damage and for that it needs to remove such values generated in the database file.

The manual selection and removal of registry modified and corrupted values are hard and risky task and for that one needs to have proficient technical knowledge. However if the user is novice then it is recommended to use third party software windows registry repair that fix system error to come up cleansing the registry worthless entries and the modification done by the Trojan program to be repaired as well. The software is user friendly and can be downloaded online to get fix system error.