XP SP3 installing. Net 4.0 hints for critical errors, 0x80070643, resolution 2017

On the client computer to install the gold tax invoicing software, need. NET 4.0.30319.1, the computer environment is XP SP3, has installed. NET 2,. NET 3.5sp1, the installation of. NET 4.0 error 0x80070643

Because the computer is loaded with a lot of software, re-install the system can not imagine, so must be resolved in situ!

Online Search, find the following solution, this is the 2014 solution,, check the permissions are all, still wrong, with. NET Repair tool, completely useless.

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1. Click the "Start" button in the lower right corner of the desktop and click the "Run" button to enter "regedit" in the pop-up program input box.
2. On the pop-up Registry Editor screen, select Hkey_local_machine\ software\microsoft\internet Explorer\Main.
3. Right-select Main, select the "Permissions" option, and in the pop-up "main Permissions" screen, select all the groups! or all users! Under the "Full Control" option, under the
"√" below "yes".
4. Finally close the Registry Editor and reinstall. NET to do it.

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The problem is found in the . Net4.0_client_profile Error, and then start rolling back, consider whether you can install the Client component alone, found that it is possible to download the component separately, installation or error;

Try again, and finally find the following method successful:

0. Be prepared in advance. net2.0 installation package,. NET 3.5SP1 installation package, and Dotnetfxclean Uninstall tool!!! Prevent the Internet from being unavailable due to lack of. Net

1. Using dotnetfxclean_20529, uninstall all existing. NET Framework on the system, uninstall it is best to quit all the possible use of. NET programs, such as  QQ, browser and so on, Worry about uninstalling the. NET after the system can still start normally, after all,. NET has been deep into the bone marrow of the Windows system, prompting uninstall success;

2. Renamed Windows \ Microsoft.NET, I changed to microsoft.net_, this time did not dare to restart, afraid of the system because of the lack of. NET, causing the startup to encounter problems;

3. Reload the. NET Framework SP2, complete without rebooting, followed by the. NET Framework 3.5sp1, and successfully completed;

4. Restart the computer, and then go to the Microsoft website to download dotnetfx40_client_x86.exe (32-bit, because this machine is WinXP) , This is an important component of the. Net4, waiting for a long time, no error and rollback, and finally prompt installation success, I know that I am not far from success;

5. Open the gold tax invoicing software or the missing. net4.0, it doesn't matter, this time again download a Dotnetfx40_full_x86_x64.exe(contains 32 and 64 bit, in fact, can also be alone only the next 32-bit Dotnetfx40_full_x86.exe), this time the installation skipped Client_profile, directly to install the language pack or something minor components,, loaded, gold tax invoicing software is normal!!!

The tools used above can be downloaded here to: https://support.microsoft.com/zh-cn/help/2698555/microsoft--net-framework-repair-tool-is-available

versions and configuration files	System Structure	the name of the installer file	URL
. NET Framework 4.6.1	x86, x64	Ndp461-kb3102436-x86-x64-allos-enu.exe	http://go.microsoft.com/fwlink/?LinkId=671743
. NET Framework 4.6	x86, x64	Ndp46-kb3045557-x86-x64-allos-enu.exe	http://go.microsoft.com/fwlink/?LinkId=528232
. NET Framework 4.5.2	x86, x64	Ndp452-kb2901907-x86-x64-allos-enu.exe	http://go.microsoft.com/fwlink/?LinkId=328855
. NET Framework 4.5.1	x86, x64	Ndp451-kb2858728-x86-x64-allos-enu.exe	http://go.microsoft.com/fwlink/?LinkId=321332
. NET Framework 4.5	x86, x64	Dotnetfx45_full_x86_x64.exe	http://go.microsoft.com/fwlink/?LinkId=255995
. NET Framework 3.5 sp1,.net Framework 3.0 sp2,.net Framework 2.0 SP2 (if the. NET Framework 3.0 and 3.5 are installed)	x86, x64	Dotnetfx35.exe	http://go.microsoft.com/fwlink/?LinkId=259762
. NET Framework 4 Client configuration files	x86	Dotnetfx40_client_x86.exe	http://go.microsoft.com/fwlink/?linkid=247966
. NET Framework 4 Client configuration files	x86, x64	Dotnetfx40_client_x86_x64.exe	http://go.microsoft.com/fwlink/?linkid=247965
The. NET Framework 4 Complete	x86	Dotnetfx40_full_x86.exe	http://go.microsoft.com/fwlink/?linkid=247964
The. NET Framework 4 Complete	x86, x64	Dotnetfx40_full_x86_x64.exe	http://go.microsoft.com/fwlink/?linkid=247962
. NET Framework 2.0 SP2 (when versions 3.0 and 3.5 are not installed)	x64	Netfx20sp2_x64.exe	http://go.microsoft.com/fwlink/?LinkId=259767
. NET Framework 2.0 SP2 (when versions 3.0 and 3.5 are not installed)	x86	Netfx20sp2_x86.exe	http://go.microsoft.com/fwlink/?LinkId=259766

XP SP3 installing. Net 4.0 hints for critical errors, 0x80070643, resolution 2017