Windows 7 / 2008 R2 Service Pack 1 Problems
I will use this post to collect some of the problems we are hearing about with Windows 7 SP1 and Windows 2008 R2 SP1. Right now, there is no urgent reason to install this service pack and it should be tested first.
A few areas to watch:
- Whitelisting / Blocklisting: Whitelisting software may not have checksums yet to verify all the files that are modified by the service pack. Same for anti-virus: Some anti virus products monitor system files for changes and may sound an alert or block the installation of SP 1
- Firewalls: Third party firewalls may find that some of the low level hooks they use have changed.
- Disk Encryption: In particular full disk encryption that modifies the boot process may find that some of the changes it did are undone by the SP install
- Custom hardware: If you are using drivers other then those that are included in Windows 7 (or 2008 R2), be careful.
Specific examples. Consider them anecdotal but if you run any software mentioned here, or similar software, this list should give you a guide to test.
- Users with old versions of Microsoft Security Essentials may not be able to install SP1. Upgrade first.
- Samsung Galaxy S phone drivers may have problems with SP1
- some users reported very long install times (> 1hr. but not all that unusual for a service pack)
- Chrome 10 and 11 have issues according to some tweets
- Word 2003 VBA
- slower boot times with SP1 then without
- some reports of download issues due to overloaded servers
- Lenovo's Thinkvantage System Update may not work (update it before applying the SP)
- EVGA Precision Utility 2.0.2 (Graphics card stats program liked by gamers)
- MSI Afterburner
- some issues with Bitlocker are reported. But no confirmation at this point and it may also be due to entering the wrong password on reboot (you have to reboot a couple times in certain situations)
Link to a technet page with reports of install issues:
http://technet.microsoft.com/en-us/library/ff817622%28WS.10%29.aspx
If all fails, here a link with an uninstall procedure for SP1:
http://windows.microsoft.com/en-US/windows7/uninstall-sp1
To temporarily block installation of the service pack:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=d7c9a07a-5267-4bd6-87d0-e2a72099edb7&displaylang=en
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Johannes B. Ullrich, Ph.D.
SANS Technology Institute
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