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Windows 7: Please help me fix this without reinstalling ((

27 Oct 2011   #1

windows 7 32 bit Ultimate
 
 
Please help me fix this without reinstalling ((

In windows 7, i cannot uninstall or install
framework 3.5, apparently, it's pre-installed
with the os and i can't touch it

My guess is, a stupid registry cleaner got
rid of some of the 3.5 keys.

Also .. .

When i try to turn on "windows features"
in Windows 7, i clearly see that framework 3.5.1
is unchecked .. .

But when i check it, it cannot be turned on,
& i get this error:

"An error has occured. Not all of the features
were successfully changed." All the time .. .

I don't know how to fix it, update 3.5.1
or activate it, i'm so lost

Also, i cannot reinstall Windows 7, because i'd lose
Tones of os customizations that took me
7 months

Please guys, try to find a way to make me activate
3.5.1 in my system

My System SpecsSystem Spec
.

27 Oct 2011   #2

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

It is hard to tell how much or what was messed up by the registry cleaner.

I hope you have a Windows disk.
Easiest way to fix it. Repair install.
Everything is in the tutorial here.> Repair Install

Otherwise a reinstall of Windows.
My System SpecsSystem Spec
27 Oct 2011   #3

Win 7
 
 

Lesson: Never use registry cleaners. They "clean", they mess up, they don't help.
Don't buy into the "clean" computer nonsense.
My System SpecsSystem Spec
.


27 Oct 2011   #4
Microsoft MVP

 

We see cases every day here where Windows 7 is ruined by Registry Cleaners, Optimizers, Game Boosters, and other tweaking outside of normal system settings.

These users haven't figured out that Windows 7 is already the leanest OS ever and cannot tolerate these tweaks relied upon in XP and early Vista before it was trimmed using Windows 7 technology.


These will almost
always ruin your Windows 7. Period.

The only Registry Cleaner which is not a sales scam or sketchy is CCleaner's Registry tab, although some experts here will not even use it. I have used it for 10+ years on hundreds of installs representing thousands of uses and trust it completely.


When you ask us not to advise a Clean Reinstall because of "tons of Customizations" it tells me that you need to reinstall to try Windows 7 in its native, feather-light, instantaneous state.


Follow these steps to get a
Perfect Reinstall then leave it alone for awhile to see how good Windows 7 is when it's not tweaked to death.

If you still need to get tweaky then save a Windows 7 backup image right after install and setup so at any point you can reimage with all your programs.
Backup Complete Computer - Create an Image Backup
My System SpecsSystem Spec
27 Oct 2011   #5

windows 7 32 bit Ultimate
 
 

a repair install will certainly modify my registry & add obsolete entries & could reenable services & get rid of patches ((
please, if anyone has a less invading solution, help me ((

i need a way to fix 3.5.1 in Windows 7
My System SpecsSystem Spec
27 Oct 2011   #6
Microsoft MVP

 

A Repair Install will reinstall System Files but cannot winnow out all settings that may be corrupt or problematic.

It is worth a try though, as is SFC -SCANNOW Command .

I'd first go back as far as I can with System Restore. If you have the disk space then apportion more space for System Restore so points last longer: System Protection - Change Disk Space Usage
My System SpecsSystem Spec
27 Oct 2011   #7

Windows 7 Professional SP1 32-bit
 
 

Instead of a repair install, you might try running /sfc scannow from an elevated command prompt. You may have to run it 3 times with a reboot after each time.
This will be the least "invasive" way to fix things as far as your customizations are concerned, but it may in fact not work.

Another possibility is cleaning up all remnants of the .NET Framework 3.51 installation using a specialized tool, which should then enable you to reinstall a fresh copy (possibly right from the Add/Remove window).

Uninstall Framework .NET 3.5.1 From Windows 7
My System SpecsSystem Spec
27 Oct 2011   #8

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

My System SpecsSystem Spec
27 Oct 2011   #9

Windows 7 Professional SP1 32-bit
 
 

That's the exact one I linked to, except through another page.
My System SpecsSystem Spec
28 Oct 2011   #10

windows 7 32 bit Ultimate
 
 

Thanks guys but i had already tried the sfc option, also, the cleanup tool only references
dotnet 1.0, 1.1, 4, so i can't select 3.5 (( I also tried to uninstall all versions & reinstalled
1.1 & 4 afterwards & even tried 3.5 before 4, but windows refuses
to let me install those setups ((

an sfc scannow isn't successful in my system, i have verified
C:\Windows\Microsoft.NET\Framework & i see:
v1.0.3705
v1.1.4322
v2.0.50727
v4.0.30319

I think i have a solution, & i'll try it before an invasive repair install

I'll copy 1.0 & 3.0 & 3.5 in the framework directory of Windows 7 from an xp system & then use:
framework setup verification utility, it seems to validate missing reg entries as well but i'm not sure.
i'm missing those folders, so i don't think it's even a hardcore registry issue. apps can't find 3.5
dotnet files ... .
My System SpecsSystem Spec
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 Please help me fix this without reinstalling ((




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