Softspecialists - Hic Sunt Bytes
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Access Denied (Windows System Error 5) on the registry keys and values.

Recently I came across a strange problem with the graphics card driver that it was manifested only under certain circumstances.
In short, the driver had to be replaced but the installation of the driver failed repeatedly. After half a day of trying I understand that the problem was due to a registry key that the procedure on which the installation failed due to lack of access rights. That is the ACCESS DENIED (Window system error number 5). The driver now has been updated and the problem with the graphics disappeared but I wondered how many other similar situations (I mean access denied), there may be in the Windows registry? So I set to work and I wrote the program RegError that scans the Windows registry to search for access denied errors. You can find the RegError program on the Download page.

Here is the output of the program that runs on my computer with Windows Seven:

User account that is an administrator:

*** Scanning HKEY_CLASSES_ROOT ***
Checked 554911 KEYS and 104850 VALUES.
Found 501816 errors, time required 27 seconds.

*** Scanning HKEY_CURRENT_USER ***
Checked 37901 KEYS and 129276 VALUES.
Found 123 errors, time required 29 seconds.

*** Scanning HKEY_LOCAL_MACHINE ***
Checked 6 KEYS and 0 VALUES.
Found 6 errors, time required 29 seconds.

*** Scanning HKEY_USERS ***
Checked 51796 KEYS and 175652 VALUES.
Found 127 errors, time required 31 seconds.

*** Scanning HKEY_CURRENT_CONFIG ***
Checked 24 KEYS and 6 VALUES.
Found 0 errors, time required 31 seconds.

User account that is an administrator that run
the REGERROR with administrative privilege:


*** Scanning HKEY_CLASSES_ROOT ***
Checked 1498777 KEYS and 1416334 VALUES.
Found 272087 errors, time required 130 seconds.

*** Scanning HKEY_CURRENT_USER ***
Checked 37953 KEYS and 129442 VALUES.
Found 96 errors, time required 131 seconds.

*** Scanning HKEY_LOCAL_MACHINE ***
Checked 247245 KEYS and 457266 VALUES.
Found 25761 errors, time required 140 seconds.

*** Scanning HKEY_USERS ***
Checked 84533 KEYS and 284243 VALUES.
Found 100 errors, time required 143 seconds.

*** Scanning HKEY_CURRENT_CONFIG ***
Checked 24 KEYS and 6 VALUES.
Found 0 errors, time required 143 seconds.

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