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Mods, please move this post if this is not the right forum...
My W7 64-bits professional started to experience some issues, like the current one where a monitor driver installation fails with an error:

It does not matter, if the driver installation is through device manager or the Dell provided setup DVD. The error message is pretty much the same. Updating the video and other drivers has the same error message. As a test, some of the software installations also have the same errors.
Running a "sfc /scannow" command has this result:
The actual log shows unrecognized package extenders, namely 15,100 of them, like this:
Booting with "F8" option and selecting "Repair my computer" finds problems, but not able to fix it either. Restoring a week old image backup didn't help either, the same error message remains for both "sfc" and installation in general.
Is there any way to cure this ailing, huffing and puffing W7 system?
TIA...
My W7 64-bits professional started to experience some issues, like the current one where a monitor driver installation fails with an error:

It does not matter, if the driver installation is through device manager or the Dell provided setup DVD. The error message is pretty much the same. Updating the video and other drivers has the same error message. As a test, some of the software installations also have the same errors.
Running a "sfc /scannow" command has this result:
C:\Windows\system32>sfc /scannow
Beginning system scan. This process will take some time.
Beginning verification phase of system scan.
Verification 100% complete.
Windows Resource Protection found corrupt files but was unable to fix some of them.
Details are included in the CBS.Log windir\Logs\CBS\CBS.log.
For example C:\Windows\Logs\CBS\CBS.log
The actual log shows unrecognized package extenders, namely 15,100 of them, like this:
2015-04-06 18:25:21, Info CBS Failed to get next element [HRESULT = 0x800f080d - CBS_E_MANIFEST_INVALID_ITEM]
2015-04-06 18:25:21, Info CBS Warning: Unrecognized packageExtended attribute.
Booting with "F8" option and selecting "Repair my computer" finds problems, but not able to fix it either. Restoring a week old image backup didn't help either, the same error message remains for both "sfc" and installation in general.
Is there any way to cure this ailing, huffing and puffing W7 system?
TIA...
My Computer
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- Custom built at Home
- OS
- Windows 7 64-bit, Windows 8.1 64-bit, OSX El Capitan, Windows 10 (VMware)
- CPU
- Intel i5-3350P 3.1 GHz
- Motherboard
- Gigabyte GA-Z77X-UP5 TH
- Memory
- 16 GBs GSkill Sniper
- Graphics Card(s)
- Radeon HD 7850
- Sound Card
- VIA HD Audio
- Monitor(s) Displays
- Dell U2410 24"
- Screen Resolution
- 1920x1200
- Hard Drives
- 1 x Intel 520 240 GBs
1 x Seagate 1TBs SATA 2.0,
1 x Seagate 1TBs eSATA 2.0
- PSU
- Thermaltake 850W
- Case
- Antec P183
- Cooling
- Noctua NH-D14 Heatsink 2 x 120mm fans, 4 x 120mm case fans
- Keyboard
- Dell Multimedia keyboard
- Mouse
- Logitech Trackball
- Internet Speed
- 28.5 Mb/s