TO fix this problem follow these steps :
Download microsoft fix from following link below :
http://support.microsoft.com/kb/2435760
if still facing problem after this fix follow the steps given below : -
HKEY_CLASSES_ROOT > Installer > UpgradeCodes > 1F69ACF0D1CF2B7418F292F0E05EC20B
---Right click on1F69ACF0D1CF2B7418F292F0E05EC20B and delete the key
HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > Installer > UpgradeCodes > 1F69ACF0D1CF2B7418F292F0E05EC20B
--- Right click on1F69ACF0D1CF2B7418F292F0E05EC20B and delete the key.
*********************************************************************************
Here's the easy steps:
1. Go to a Windows Vista (Any Version) computer that has the Windows
Installer service running correctly and run regedit(Start-Run-Regedit)
2. Go to the location
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver
3. Right click on this key and select "Export" and save the key to a Flash
Drive or other.
4. Run sfc /scannow on the damaged Vista computer - you won't need the
install disk as it goes to backup files on your HD. Do not reboot when
complete
5. Double click saved .reg file from working machine and import registry
settings into damaged Vista computer.
6. Now reboot and try to install/uninstall
Download microsoft fix from following link below :
http://support.microsoft.com/kb/2435760
if still facing problem after this fix follow the steps given below : -
HKEY_CLASSES_ROOT > Installer > UpgradeCodes > 1F69ACF0D1CF2B7418F292F0E05EC20B
---Right click on1F69ACF0D1CF2B7418F292F0E05EC20B and delete the key
HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > Installer > UpgradeCodes > 1F69ACF0D1CF2B7418F292F0E05EC20B
--- Right click on1F69ACF0D1CF2B7418F292F0E05EC20B and delete the key.
*********************************************************************************
Here's the easy steps:
1. Go to a Windows Vista (Any Version) computer that has the Windows
Installer service running correctly and run regedit(Start-Run-Regedit)
2. Go to the location
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver
3. Right click on this key and select "Export" and save the key to a Flash
Drive or other.
4. Run sfc /scannow on the damaged Vista computer - you won't need the
install disk as it goes to backup files on your HD. Do not reboot when
complete
5. Double click saved .reg file from working machine and import registry
settings into damaged Vista computer.
6. Now reboot and try to install/uninstall
3 comments:
Many suggested solutions recommend to delete
[HKEY_CLASSES_ROOT\Installer\UpgradeCodes\1F69ACF0D1CF2B7418F292F0E05EC20B].
But on current systems, there might be "Micosoft Security Essentials Client Update Package" installed. To reinstall MSE, after going through the usual MSE v2 removal instructions (http://support.microsoft.com/kb/2483120), also delete this key:
[HKEY_CLASSES_ROOT\Installer\UpgradeCodes\26D13F39948E1D546B0106B5539504D9]
(which contains 77B248F0AE65FAA42859180A2253B0E5)
I figured this out using Process Monitor and setting a filter on HKEY_CLASSES_ROOT\Installer\UpgradeCodes\ registry accesses. I got the idea from http://blogs.technet.com/b/mark_russinovich/archive/2012/01/19/3476240.aspx
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