i am having the same common issue.
unable to proceed with 2 updates:
tried disabling my anti-virus but didnt work.
here is my checksur log.
windows 7 service pack 1 for x64-based system (KB976932)
security update for windows 7 for x64-based system (KB2753842)
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.22471
Package Version 25.0
2014-05-15 11:39
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 1322
Found 4 errors
Fixed 4 errors
CBS MUM Corrupt Total count: 4
Fixed: CBS MUM Corrupt. Total count: 4
Fixed: CBS Paired File. Total count: 4
Customer Experience report successfully uploaded. Thank you for participating. For more information, see the Microsoft Customer Experience Improvement Program on the Microsoft web site.
appreciate your help. thanks.
unable to proceed with 2 updates:
tried disabling my anti-virus but didnt work.
here is my checksur log.
windows 7 service pack 1 for x64-based system (KB976932)
security update for windows 7 for x64-based system (KB2753842)
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.22471
Package Version 25.0
2014-05-15 11:39
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_2_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_3_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_7_for_KB2753842~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(f) CBS MUM Corrupt 0x800F0900 servicing\Packages\Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.mum Line 1:
(fix) CBS MUM Corrupt CBS File Replaced Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.mum from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
(fix) CBS Paired File CBS File also Replaced Package_for_KB2753842_SP1~31bf3856ad364e35~amd64~~6.1.2.0.cat from Cabinet: C:\Windows\CheckSur\v1.0\windows6.1-servicing-x64cab2-2jan13.cab.
Checking Package Watchlist
Checking Component Watchlist
Checking Packages
Checking Component Store
Summary:
Seconds executed: 1322
Found 4 errors
Fixed 4 errors
CBS MUM Corrupt Total count: 4
Fixed: CBS MUM Corrupt. Total count: 4
Fixed: CBS Paired File. Total count: 4
Customer Experience report successfully uploaded. Thank you for participating. For more information, see the Microsoft Customer Experience Improvement Program on the Microsoft web site.
appreciate your help. thanks.