Error 1402.Could not open key

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Dear All,
I have some issues with installation a program, it's similar issues.
I treid to search on net to find solution, but it no luck.
Here is my issues,
When i performing installing a program name Project Wise, i got error
Error 1402. Could not open key:
UNKNOWN\Components\D36DFC99xxxxxxxxxx\C29B70886E7D550934FDA61BCFE674.
Verify that you have sufficient access to that key, or contact your support personnel.

I try to go Bentley website seem no luck to resolve it.
Please help me.

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Hello,

It seems that you have not entered the correct registration key. Registration keys are case sensitive.

Regards
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Dear Ambucias, This program was installed without problem before and we also registered the correct key but when we uninstall and reinstall, the problem persist. I read some online it's seem to problem with registry. and i still no luck to fix it.
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Hello,

You read correctly.

Download this free, yes totally free and efficient registry cleaner, update it and then run it.

https://ccm.net/download/download-13339-eusing-free-registry-cleaner

Delete all items found, you might be amazed by the large number,

Try to install the programme if it still fails, we will need to do manual registry clean-up.

Good luck
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Dear Ambucias,
It's still no luck even i use that registry cleaner.
I have two issues with error 1603, and 1402.
I don't know why try most way but no luck. but other programs running install well on this computer.
I know i want to try to fix it up but we still have the last way to resolve this is set up new windows so everything will be fine.
But i really try to resolve the issue first.
Do you have any idea please?
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Hi

1. Open Explorer and programme files, ensure Project Wise is deleted. Do the same thing with "application data"

2. Click on run and type regedit, press enter.

3. Open edit and search.

Type projectwise and click ok. Wait for the registry editor to find a key or a value. If it finds something, ensure it is related to project wise and press delete. Then, to continue the search for other keys and values, press F3 until the search is completed.

In the left pane, click on "My computer" to begin a new search from the start. Repeat the above but instead of projectwise, type bentley and delete the keys or values that are found.

Repeat the above but with the exact registration serial number you used to install the software.

4. Close the registry editor

5. Delete all of your temporary filesand reboot your system.

6. Try installing the software. (I trust that you have it on a CD)