Windows 10: Install error - 0x800f0991 and Install error - 0x851a004a appear, what i must do?

2025-04 Cumulative Update for Windows 11 Version 24H2 for x64-based Systems KB5055523 but Install error - 0x800f0991 appears, what is the solution?Security Update for SQL Server 2022 RTM GDR KB5046861 but Install error - 0x851a004a appears, what is the solution?

:)

 

2023-12 cumulative update for windows 11 version 22h2 for x64-based systems (kb5033375) install error - 0x800f0991 fail

tried all the steps with no resolution to the failed install error 0x800f0991.

any other suggestions?

 

Error when installing Win7

when Installing Windows 7 I get an error saying ""A required CD/DVD drive device driver is missing. If you have a floppy disk, CD, DVD, or USB flash drive, please insert it now. Note: If the windows installation media is in the CD/DVD drive, you can safely remove it for this step." What should I do to get Windows to install?

 

Error message appear after installed softmod driver

hey all,

As the title suggest i am having problems with softmod driver. Now it started givin me warning with following output.

Event Type: Error
Event Source: ati2mtag
Event Category: CPLIB
Event ID: 52225
Date: 18/07/2005
Time: 14:07:18
User: N/A
Computer: *********
Description:
CPLIB :: Open Session - Failed to load the library
------------------------------------------------
It's no such error if I install official driver. Older ATI drivers where removed before installation with driver cleaner.

System: AMD1700+, KT266A with 4in1 4.43, 512M, ATI 9500